251164052 has 48 divisors (see below), whose sum is σ = 481178880. Its totient is φ = 114250752.

The previous prime is 251164049. The next prime is 251164063. The reversal of 251164052 is 250461152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284003 + ... + 284885.

It is an arithmetic number, because the mean of its divisors is an integer number (10024560).

Almost surely, 2^251164052 is an apocalyptic number.

It is an amenable number.

251164052 is a deficient number, since it is larger than the sum of its proper divisors (230014828).

251164052 is a wasteful number, since it uses less digits than its factorization.

251164052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 251164052 is about 15848.1561072574. The cubic root of 251164052 is about 630.9367537488.

The spelling of 251164052 in words is "two hundred fifty-one million, one hundred sixty-four thousand, fifty-two".