252904164 has 12 divisors (see below), whose sum is σ = 590109744. Its totient is φ = 84301384.

The previous prime is 252904151. The next prime is 252904187. The reversal of 252904164 is 461409252.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10537662 + ... + 10537685.

It is an arithmetic number, because the mean of its divisors is an integer number (49175812).

Almost surely, 2^252904164 is an apocalyptic number.

It is an amenable number.

252904164 is an abundant number, since it is smaller than the sum of its proper divisors (337205580).

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

252904164 is a wasteful number, since it uses less digits than its factorization.

252904164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075354 (or 21075352 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 252904164 is about 15902.9608563940. The cubic root of 252904164 is about 632.3904846660.

The spelling of 252904164 in words is "two hundred fifty-two million, nine hundred four thousand, one hundred sixty-four".