232555257 has 24 divisors (see below), whose sum is σ = 388009440. Its totient is φ = 132650880.

The previous prime is 232555247. The next prime is 232555283. The reversal of 232555257 is 752555232.

It is not a de Polignac number, because 232555257 - 2⁷ = 232555129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232555217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67407 + ... + 70772.

It is an arithmetic number, because the mean of its divisors is an integer number (16167060).

Almost surely, 2^232555257 is an apocalyptic number.

It is an amenable number.

232555257 is a deficient number, since it is larger than the sum of its proper divisors (155454183).

232555257 is a wasteful number, since it uses less digits than its factorization.

232555257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138213 (or 138210 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 232555257 is about 15249.7625227411. The cubic root of 232555257 is about 614.9531830314.

The spelling of 232555257 in words is "two hundred thirty-two million, five hundred fifty-five thousand, two hundred fifty-seven".