255975 has 12 divisors (see below), whose sum is σ = 423336. Its totient is φ = 136480.

The previous prime is 255973. The next prime is 255977. The reversal of 255975 is 579552.

It is an interprime number because it is at equal distance from previous prime (255973) and next prime (255977).

It is not a de Polignac number, because 255975 - 2¹ = 255973 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1632 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (35278).

2²⁵⁵⁹⁷⁵ is an apocalyptic number.

255975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255975 is a deficient number, since it is larger than the sum of its proper divisors (167361).

255975 is a wasteful number, since it uses less digits than its factorization.

255975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426 (or 3421 counting only the distinct ones).

The product of its digits is 15750, while the sum is 33.

The square root of 255975 is about 505.9397197295. The cubic root of 255975 is about 63.4939750830.

The spelling of 255975 in words is "two hundred fifty-five thousand, nine hundred seventy-five".