255825775 has 12 divisors (see below), whose sum is σ = 335884752. Its totient is φ = 192621440.

The previous prime is 255825769. The next prime is 255825793. The reversal of 255825775 is 577528552.

It is not a de Polignac number, because 255825775 - 2⁵ = 255825743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300547 + ... + 301396.

It is an arithmetic number, because the mean of its divisors is an integer number (27990396).

Almost surely, 2^255825775 is an apocalyptic number.

255825775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255825775 is a deficient number, since it is larger than the sum of its proper divisors (80058977).

255825775 is a wasteful number, since it uses less digits than its factorization.

255825775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601970 (or 601965 counting only the distinct ones).

The product of its digits is 980000, while the sum is 46.

The square root of 255825775 is about 15994.5545420934. The cubic root of 255825775 is about 634.8163438538.

The spelling of 255825775 in words is "two hundred fifty-five million, eight hundred twenty-five thousand, seven hundred seventy-five".