257054 has 24 divisors (see below), whose sum is σ = 466488. Its totient is φ = 105840.

The previous prime is 257053. The next prime is 257069. The reversal of 257054 is 450752.

257054 = 252² + 253² + ... + 255².

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4184 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (19437).

257054 is a Friedman number, since it can be written as 507^(4-2)+5, using all its digits and the basic arithmetic operations.

2²⁵⁷⁰⁵⁴ is an apocalyptic number.

257054 is a deficient number, since it is larger than the sum of its proper divisors (209434).

257054 is a wasteful number, since it uses less digits than its factorization.

257054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 257054 is about 507.0049309425. The cubic root of 257054 is about 63.5830644622.

The spelling of 257054 in words is "two hundred fifty-seven thousand, fifty-four".