253031156 has 12 divisors (see below), whose sum is σ = 506062368. Its totient is φ = 108441912.

The previous prime is 253031147. The next prime is 253031173. The reversal of 253031156 is 651130352.

253031156 is an admirable number.

It is a congruent number.

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, 4518386 + ... + 4518441.

It is an arithmetic number, because the mean of its divisors is an integer number (42171864).

Almost surely, 2^253031156 is an apocalyptic number.

It is an amenable number.

253031156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253031156 is a wasteful number, since it uses less digits than its factorization.

253031156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036838 (or 9036836 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 253031156 is about 15906.9530709058. The cubic root of 253031156 is about 632.4963153925.

The spelling of 253031156 in words is "two hundred fifty-three million, thirty-one thousand, one hundred fifty-six".