251053004 has 96 divisors (see below), whose sum is σ = 514805760. Its totient is φ = 106444800.

The previous prime is 251052983. The next prime is 251053007. The reversal of 251053004 is 400350152.

It is a super-2 number, since 2×251053004² = 126055221634848032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (251053007) 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 31 ways as a sum of consecutive naturals, for example, 2221652 + ... + 2221764.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^251053004 is an apocalyptic number.

It is an amenable number.

251053004 is an abundant number, since it is smaller than the sum of its proper divisors (263752756).

251053004 is a wasteful number, since it uses less digits than its factorization.

251053004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 251053004 is about 15844.6522208599. The cubic root of 251053004 is about 630.8437539842.

The spelling of 251053004 in words is "two hundred fifty-one million, fifty-three thousand, four".