255551125 has 16 divisors (see below), whose sum is σ = 324342720. Its totient is φ = 200970000.

The previous prime is 255551113. The next prime is 255551141. The reversal of 255551125 is 521155552.

It is not a de Polignac number, because 255551125 - 2¹³ = 255542933 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9951 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (20271420).

Almost surely, 2^255551125 is an apocalyptic number.

255551125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255551125 is a deficient number, since it is larger than the sum of its proper divisors (68791595).

255551125 is an equidigital number, since it uses as much as digits as its factorization.

255551125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725 (or 34715 counting only the distinct ones).

The product of its digits is 12500, while the sum is 31.

The square root of 255551125 is about 15985.9665019041. The cubic root of 255551125 is about 634.5890866642.

The spelling of 255551125 in words is "two hundred fifty-five million, five hundred fifty-one thousand, one hundred twenty-five".