251122252 has 24 divisors (see below), whose sum is σ = 455994000. Its totient is φ = 120864576.

The previous prime is 251122229. The next prime is 251122271. The reversal of 251122252 is 252221152.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37383 + ... + 43585.

It is an arithmetic number, because the mean of its divisors is an integer number (18999750).

Almost surely, 2^251122252 is an apocalyptic number.

It is an amenable number.

251122252 is a deficient number, since it is larger than the sum of its proper divisors (204871748).

251122252 is a wasteful number, since it uses less digits than its factorization.

251122252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6583 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 251122252 is about 15846.8372869794. The cubic root of 251122252 is about 630.9017505715.

The spelling of 251122252 in words is "two hundred fifty-one million, one hundred twenty-two thousand, two hundred fifty-two".