252553402 has 8 divisors (see below), whose sum is σ = 391893300. Its totient is φ = 121922304.

The previous prime is 252553391. The next prime is 252553471. The reversal of 252553402 is 204355252.

It can be written as a sum of positive squares in 2 ways, for example, as 251571321 + 982081 = 15861^2 + 991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177127 + ... + 2177242.

Almost surely, 2^252553402 is an apocalyptic number.

252553402 is a deficient number, since it is larger than the sum of its proper divisors (139339898).

252553402 is a wasteful number, since it uses less digits than its factorization.

252553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354400.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 252553402 is about 15891.9288319574. The cubic root of 252553402 is about 632.0979875975.

The spelling of 252553402 in words is "two hundred fifty-two million, five hundred fifty-three thousand, four hundred two".