257044 has 12 divisors (see below), whose sum is σ = 453600. Its totient is φ = 127448.

The previous prime is 257017. The next prime is 257053. The reversal of 257044 is 440752.

257044 is nontrivially palindromic in base 13.

257044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

257044 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2²⁵⁷⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

257044 is a deficient number, since it is larger than the sum of its proper divisors (196556).

257044 is a wasteful number, since it uses less digits than its factorization.

257044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 257044 is about 506.9950690096. The cubic root of 257044 is about 63.5822399417.

Adding to 257044 its reverse (440752), we get a palindrome (697796).

The spelling of 257044 in words is "two hundred fifty-seven thousand, forty-four".