255843775 has 24 divisors (see below), whose sum is σ = 357262848. Its totient is φ = 180060000.

The previous prime is 255843751. The next prime is 255843793. The reversal of 255843775 is 577348552.

It is not a de Polignac number, because 255843775 - 2¹⁷ = 255712703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6481 + ... + 23530.

It is an arithmetic number, because the mean of its divisors is an integer number (14885952).

Almost surely, 2^255843775 is an apocalyptic number.

255843775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255843775 is a deficient number, since it is larger than the sum of its proper divisors (101419073).

255843775 is a wasteful number, since it uses less digits than its factorization.

255843775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30063 (or 30058 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 46.

The square root of 255843775 is about 15995.1172237030. The cubic root of 255843775 is about 634.8312321454.

The spelling of 255843775 in words is "two hundred fifty-five million, eight hundred forty-three thousand, seven hundred seventy-five".