255974 has 8 divisors (see below), whose sum is σ = 387288. Its totient is φ = 126880.

The previous prime is 255973. The next prime is 255977. The reversal of 255974 is 479552.

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

It is a d-powerful number, because it can be written as 2 + 5³ + 9⁵ + 5⁷ + 7⁶ + 4⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 255974.

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 255974.

It is not an unprimeable number, because it can be changed into a prime (255971) by changing a digit.

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, 227 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (48411).

2²⁵⁵⁹⁷⁴ is an apocalyptic number.

255974 is a deficient number, since it is larger than the sum of its proper divisors (131314).

255974 is a wasteful number, since it uses less digits than its factorization.

255974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its digits is 12600, while the sum is 32.

The square root of 255974 is about 505.9387314685. The cubic root of 255974 is about 63.4938924004.

The spelling of 255974 in words is "two hundred fifty-five thousand, nine hundred seventy-four".