Fatto generale: 25942 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 25942 is a boring number.
Trivia: 25942 is an unremarkable number.
Data storica: January 9th is the day in 1903 that Hallam Tennyson, 2nd Baron Tennyson, son of the famous poet Alfred Tennyson, becomes the second Governor-General of Australia.