252800428 has 24 divisors (see below), whose sum is σ = 456402800. Its totient is φ = 122430528.

The previous prime is 252800417. The next prime is 252800479. The reversal of 252800428 is 824008252.

It is a self number, because there is not a number n which added to its sum of digits gives 252800428.

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, 30163 + ... + 37621.

Almost surely, 2^252800428 is an apocalyptic number.

It is an amenable number.

252800428 is a deficient number, since it is larger than the sum of its proper divisors (203602372).

252800428 is a wasteful number, since it uses less digits than its factorization.

252800428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729 (or 7727 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 252800428 is about 15899.6989908614. The cubic root of 252800428 is about 632.3040083900.

The spelling of 252800428 in words is "two hundred fifty-two million, eight hundred thousand, four hundred twenty-eight".