Hecho general: 25631 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 25631 is an uninteresting number.
Trivia: 25631 is an uninteresting number.
Fecha histórica: March 4th is the day in 1848 that Carlo Alberto di Savoia signs the Statuto Albertino that will later represent the first constitution of the Regno d'Italia.