256274 has 8 divisors (see below), whose sum is σ = 388668. Its totient is φ = 126720.

The previous prime is 256219. The next prime is 256279. The reversal of 256274 is 472652.

256274 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 2 ways, for example, as 243049 + 13225 = 493^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (256279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467 + ... + 854.

2²⁵⁶²⁷⁴ is an apocalyptic number.

256274 is a deficient number, since it is larger than the sum of its proper divisors (132394).

256274 is a wasteful number, since it uses less digits than its factorization.

256274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its digits is 3360, while the sum is 26.

The square root of 256274 is about 506.2351232382. The cubic root of 256274 is about 63.5186875373.

The spelling of 256274 in words is "two hundred fifty-six thousand, two hundred seventy-four".