255214520 has 32 divisors (see below), whose sum is σ = 626436720. Its totient is φ = 92805120.

The previous prime is 255214513. The next prime is 255214549. The reversal of 255214520 is 25412552.

It is a self number, because there is not a number n which added to its sum of digits gives 255214520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289577 + ... + 290456.

Almost surely, 2^255214520 is an apocalyptic number.

255214520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255214520 is an abundant number, since it is smaller than the sum of its proper divisors (371222200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255214520 is a wasteful number, since it uses less digits than its factorization.

255214520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580055 (or 580051 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 255214520 is about 15975.4348923590. The cubic root of 255214520 is about 634.3103430750.

The spelling of 255214520 in words is "two hundred fifty-five million, two hundred fourteen thousand, five hundred twenty".