251232232 has 16 divisors (see below), whose sum is σ = 473529600. Its totient is φ = 124957680.

The previous prime is 251232211. The next prime is 251232253. The reversal of 251232232 is 232232152.

It is an interprime number because it is at equal distance from previous prime (251232211) and next prime (251232253).

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, 80682 + ... + 83737.

It is an arithmetic number, because the mean of its divisors is an integer number (29595600).

Almost surely, 2^251232232 is an apocalyptic number.

It is an amenable number.

251232232 is a deficient number, since it is larger than the sum of its proper divisors (222297368).

251232232 is a wasteful number, since it uses less digits than its factorization.

251232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164616 (or 164612 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 251232232 is about 15850.3070001814. The cubic root of 251232232 is about 630.9938391155.

Adding to 251232232 its reverse (232232152), we get a palindrome (483464384).

The spelling of 251232232 in words is "two hundred fifty-one million, two hundred thirty-two thousand, two hundred thirty-two".