252904163 has 4 divisors (see below), whose sum is σ = 256678920. Its totient is φ = 249129408.

The previous prime is 252904151. The next prime is 252904187. The reversal of 252904163 is 361409252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252904163 - 2⁴ = 252904147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252904103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887278 + ... + 1887411.

It is an arithmetic number, because the mean of its divisors is an integer number (64169730).

Almost surely, 2^252904163 is an apocalyptic number.

252904163 is a deficient number, since it is larger than the sum of its proper divisors (3774757).

252904163 is an equidigital number, since it uses as much as digits as its factorization.

252904163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774756.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 252904163 is about 15902.9608249533. The cubic root of 252904163 is about 632.3904838325.

The spelling of 252904163 in words is "two hundred fifty-two million, nine hundred four thousand, one hundred sixty-three".