Perfect Number backdrop

Perfect Number

Netflix🗓️ 2012🎬 Thrillers & Mysteries

Perfect Number (2012) is a South Korean crime thriller directed by Pang Eun-jin, starring Ryu Seung-beom, Lee Yo-won, and Cho Jin-woong. When a brilliant math teacher overhears his neighbor's desperate struggle with her abusive ex-husband, he steps in to help her commit a crime. Utilizing his analytical skills, he meticulously devises an elaborate cover-up to hide the murder. As the police investigate, the teacher must use his intellect to stay one step ahead of the authorities in this tense mystery.

1
Countries Available
20
Countries Unavailable

Is Perfect Number on Netflix?

Yes! Perfect Number is currently available on Netflix in 1 country after a search across multiple regions, including Albania, Australia, Brazil, and more.

Movie Details

About Perfect Number

Released

Movie Overview

Released in 2012, Perfect Number is a gripping South Korean crime thriller that masterfully blends mathematics with murder. Directed by Pang Eun-jin, the film stars Ryu Seung-beom as a mild-mannered high school teacher who uses his brilliant intellect for a sinister purpose. The story intensifies when he overhears his neighbor, played by Lee Yo-won, fighting off her abusive ex-husband. Stepping in to help, he finds himself complicit in a murder and must formulate the perfect cover-up to evade detection. With Cho Jin-woong co-starring as a persistent detective, the narrative evolves into a high-stakes cat-and-mouse game.

The film stands out in the thriller genre by focusing on the psychological tension between an overly logical protagonist and the chaotic reality of violent crime. Rather than relying on action, Perfect Number builds suspense through meticulous plotting and the protagonist's internal calculations. Viewers watching online on Netflix will appreciate the film's methodical pacing and the strong performances of the lead cast. Ryu Seung-beom delivers a nuanced portrayal of a man whose detachment from humanity makes him a criminal mastermind, while Lee Yo-won captures the fear and desperation of a victim pushed to the brink.

Behind the camera, director Pang Eun-jin crafts a sophisticated atmosphere that balances cold logic with raw emotion. The production effectively utilizes the contrast between the sterile world of mathematics and the messy aftermath of violence. While the film received one award nomination, it has maintained a solid reputation among fans of Asian cinema, holding a respectable 6.9/10 rating on the Internet Movie Database. It is a must-watch for those who enjoy cerebral mysteries and character-driven dramas. If you are looking to watch online, Perfect Number offers a smart, compelling experience that keeps you guessing until the final moments.

View on IMDb

Ratings & Reviews

6.9/10IMDb

Awards & Recognition

1 nomination total

Available in 1 Countries

Perfect Number is currently streaming on Netflix in these regions. Open Netflix in one of these countries to start watching.

Last updated: May 13, 2026

South Korea

View on Netflix

PinMovies checks Netflix availability across 60 regions monthly. Perfect Number's availability was last verified on May 13, 2026. If you notice an error, use the feedback button to let us know.

Similar Movies

You May Also Like

Discover more movies and shows available on Netflix across multiple regions.

My (Im)perfect Family
The Too-Perfect Saint: Tossed Aside by My Fiancé and Sold to Another Kingdom
Kinnikuman Perfect Origin Arc
Magma. The Perfect Crime
I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability
Perfect Match: A Trip of Friendship
The Perfect Neighbor
How To Meet a Perfect Neighbor
Netflix Availability

Where Can You Watch Perfect Number on Netflix?

1
Countries Available
21
Regions Checked
5%
Global Coverage

Available Continents

Asia

Perfect Number is currently available on Netflix in 1 out of 21 checked regions, making it one of the more restricted titles in the Thrillers & Mysteries category. It can be streamed in Asia, specifically South Korea, but is not available in Europe, North America, South America, Oceania, Africa, Middle East as of 13 May 2026.

Perfect Number is not currently available on Netflix in these regions. It is available in: South Korea.

Europe

15 countries
AndorraAlbaniaEstoniaGeorgiaHungaryIrelandIcelandLithuaniaLuxembourgLatviaMoldovaMontenegroMaltaNorwaySerbia

South America

1 countries
Chile
FAQ

Frequently Asked Questions

Common questions about watching this title on Netflix from anywhere.

Is Perfect Number on Netflix in South Korea?

Perfect Number is currently available on Netflix in South Korea.

Did Perfect Number win any awards?

1 nomination total

Who directed Perfect Number?

Perfect Number was directed by Pang Eun-jin.

How long is Perfect Number?

Perfect Number has a runtime of 119 min.