Fatto generale: 25397 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 25397 is an uninteresting number.
Trivia: 25397 is a boring number.
Data storica: July 13th is the day in 1793 that Journalist and French revolutionary Jean-Paul Marat is assassinated in his bathtub by Charlotte Corday, a member of the opposing political faction.