255885625 has 40 divisors (see below), whose sum is σ = 338291712. Its totient is φ = 193200000.

The previous prime is 255885613. The next prime is 255885653. The reversal of 255885625 is 526588552.

It is a de Polignac number, because none of the positive numbers 2^k-255885625 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 910485 + ... + 910765.

Almost surely, 2^255885625 is an apocalyptic number.

255885625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255885625 is a deficient number, since it is larger than the sum of its proper divisors (82406087).

255885625 is an equidigital number, since it uses as much as digits as its factorization.

255885625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 364 counting only the distinct ones).

The product of its digits is 960000, while the sum is 46.

The square root of 255885625 is about 15996.4253819408. The cubic root of 255885625 is about 634.8658447243.

It can be divided in two parts, 25588 and 5625, that added together give a palindrome (31213).

The spelling of 255885625 in words is "two hundred fifty-five million, eight hundred eighty-five thousand, six hundred twenty-five".