255418375 has 24 divisors (see below), whose sum is σ = 324808848. Its totient is φ = 200529200.

The previous prime is 255418369. The next prime is 255418417. The reversal of 255418375 is 573814552.

It is not a de Polignac number, because 255418375 - 2³ = 255418367 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434832 + ... + 435418.

It is an arithmetic number, because the mean of its divisors is an integer number (13533702).

Almost surely, 2^255418375 is an apocalyptic number.

255418375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255418375 is a deficient number, since it is larger than the sum of its proper divisors (69390473).

255418375 is an frugal number, since it uses more digits than its factorization.

255418375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 651 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 255418375 is about 15981.8138832862. The cubic root of 255418375 is about 634.4791852471.

The spelling of 255418375 in words is "two hundred fifty-five million, four hundred eighteen thousand, three hundred seventy-five".