Fait mathématique: 9529 is the number of 3×3 sliding puzzle positions that require exactly 18 moves to solve starting with the hole in a corner.
Culture générale: 9529 is an unremarkable number.
Date historique: February 1st is the day in 1989 that the Western Australian towns of Kalgoorlie and Boulder amalgamate to form the City of Kalgoorlie-Boulder.