256254 has 8 divisors (see below), whose sum is σ = 512520. Its totient is φ = 85416.

The previous prime is 256219. The next prime is 256279. The reversal of 256254 is 452652.

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

256254 is an admirable number.

It is a super-2 number, since 2×256254² = 131332225032, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256254.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21349 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (64065).

2²⁵⁶²⁵⁴ is an apocalyptic number.

256254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256254 is a wasteful number, since it uses less digits than its factorization.

256254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42714.

The product of its digits is 2400, while the sum is 24.

The square root of 256254 is about 506.2153691859. The cubic root of 256254 is about 63.5170351303.

The spelling of 256254 in words is "two hundred fifty-six thousand, two hundred fifty-four".