255803375 has 16 divisors (see below), whose sum is σ = 326042496. Its totient is φ = 200284000.

The previous prime is 255803347. The next prime is 255803381. The reversal of 255803375 is 573308552.

It is a de Polignac number, because none of the positive numbers 2^k-255803375 is a prime.

It is a super-2 number, since 2×255803375² = 130870733322781250, which contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 27645.

It is an arithmetic number, because the mean of its divisors is an integer number (20377656).

Almost surely, 2^255803375 is an apocalyptic number.

255803375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255803375 is a deficient number, since it is larger than the sum of its proper divisors (70239121).

255803375 is an equidigital number, since it uses as much as digits as its factorization.

255803375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43603 (or 43593 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 255803375 is about 15993.8542884447. The cubic root of 255803375 is about 634.7978152267.

The spelling of 255803375 in words is "two hundred fifty-five million, eight hundred three thousand, three hundred seventy-five".