Hecho general: 15525 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 15525 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 15525 is a boring number.
Fecha histórica: July 3rd is the day in 1969 that the biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.