Hecho general: 5327 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5327 is a value of n for which 2n and 7n together use each digit exactly once.
Trivia: 5327 is a boring number.
Fecha histórica: August 1st is the day in 1927 that the Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Communist Party of China.