252164402 has 8 divisors (see below), whose sum is σ = 432281856. Its totient is φ = 108070452.

The previous prime is 252164399. The next prime is 252164431. The reversal of 252164402 is 204461252.

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, 9005858 + ... + 9005885.

It is an arithmetic number, because the mean of its divisors is an integer number (54035232).

Almost surely, 2^252164402 is an apocalyptic number.

252164402 is a deficient number, since it is larger than the sum of its proper divisors (180117454).

252164402 is a wasteful number, since it uses less digits than its factorization.

252164402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18011752.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 252164402 is about 15879.6851983911. The cubic root of 252164402 is about 631.7732873336.

The spelling of 252164402 in words is "two hundred fifty-two million, one hundred sixty-four thousand, four hundred two".