Fait général: 4325 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4325 is a member of the Fibonacci-type sequence starting with 4 and 9.
Culture générale: 4325 is an unremarkable number.
Date historique: November 3rd is the day in 361 that Emperor Constantius II dies of a fever at Mopsuestia in Cilicia, on his deathbed he is baptised and declares his cousin Julian rightful successor.