Fait mathématique: 9253 is the smallest number that appears in its factorial 9 times.
Culture générale: 9253 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 1st is the day in 880 that the Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.