Fait mathématique: 7549 is the largest known prime p where no numbers of the form p-n^{2} are prime.
Culture générale: 7549 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: August 31st is the day in 2006 that Stolen on August 22, 2004, Edvard Munch's famous painting The Scream is recovered in a raid by Norwegian police.