252545501224 has 32 divisors (see below), whose sum is σ = 481370920200. Its totient is φ = 124180657920.

The previous prime is 252545501183. The next prime is 252545501231. The reversal of 252545501224 is 422105545252.

It can be written as a sum of positive squares in 4 ways, for example, as 246542040900 + 6003460324 = 496530^2 + 77482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899234 + ... + 2985070.

Almost surely, 2^252545501224 is an apocalyptic number.

It is an amenable number.

252545501224 is a deficient number, since it is larger than the sum of its proper divisors (228825418976).

252545501224 is a wasteful number, since it uses less digits than its factorization.

252545501224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91933 (or 91929 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 252545501224 in words is "two hundred fifty-two billion, five hundred forty-five million, five hundred one thousand, two hundred twenty-four".