255508131 has 8 divisors (see below), whose sum is σ = 340767504. Its totient is φ = 170293760.

The previous prime is 255508117. The next prime is 255508133. The reversal of 255508131 is 131805552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255508131 - 2⁷ = 255508003 is a prime.

It is a super-2 number, since 2×255508131² = 130568810014226322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255508133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5611 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (42595938).

Almost surely, 2^255508131 is an apocalyptic number.

255508131 is a deficient number, since it is larger than the sum of its proper divisors (85259373).

255508131 is a wasteful number, since it uses less digits than its factorization.

255508131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 255508131 is about 15984.6217033748. The cubic root of 255508131 is about 634.5534968471.

The spelling of 255508131 in words is "two hundred fifty-five million, five hundred eight thousand, one hundred thirty-one".