501525252 has 72 divisors (see below), whose sum is σ = 1294675200. Its totient is φ = 163649088.

The previous prime is 501525239. The next prime is 501525263. The reversal of 501525252 is 252525105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825933 + ... + 826539.

It is an arithmetic number, because the mean of its divisors is an integer number (17981600).

Almost surely, 2^501525252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501525252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647337600).

501525252 is an abundant number, since it is smaller than the sum of its proper divisors (793149948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501525252 is a wasteful number, since it uses less digits than its factorization.

501525252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 501525252 is about 22394.7594762703. The cubic root of 501525252 is about 794.5067689330.

The spelling of 501525252 in words is "five hundred one million, five hundred twenty-five thousand, two hundred fifty-two".