252957163 has 4 divisors (see below), whose sum is σ = 254632528. Its totient is φ = 251281800.

The previous prime is 252957157. The next prime is 252957193. The reversal of 252957163 is 361759252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252957163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252957113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837456 + ... + 837757.

It is an arithmetic number, because the mean of its divisors is an integer number (63658132).

Almost surely, 2^252957163 is an apocalyptic number.

252957163 is a deficient number, since it is larger than the sum of its proper divisors (1675365).

252957163 is a wasteful number, since it uses less digits than its factorization.

252957163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675364.

The product of its digits is 113400, while the sum is 40.

The square root of 252957163 is about 15904.6270940252. The cubic root of 252957163 is about 632.4346565001.

The spelling of 252957163 in words is "two hundred fifty-two million, nine hundred fifty-seven thousand, one hundred sixty-three".