257552 has 10 divisors (see below), whose sum is σ = 499038. Its totient is φ = 128768.

The previous prime is 257539. The next prime is 257561. The reversal of 257552 is 255752.

257552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 226576 + 30976 = 476^2 + 176^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033 + ... + 8064.

2²⁵⁷⁵⁵² is an apocalyptic number.

It is an amenable number.

257552 is a deficient number, since it is larger than the sum of its proper divisors (241486).

257552 is a wasteful number, since it uses less digits than its factorization.

257552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105 (or 16099 counting only the distinct ones).

The product of its digits is 3500, while the sum is 26.

The square root of 257552 is about 507.4958127906. The cubic root of 257552 is about 63.6240985639.

The spelling of 257552 in words is "two hundred fifty-seven thousand, five hundred fifty-two".