130555251 has 12 divisors (see below), whose sum is σ = 198505320. Its totient is φ = 82455840.

The previous prime is 130555247. The next prime is 130555253. The reversal of 130555251 is 152555031.

130555251 is a `hidden beast` number, since 130 + 5 + 5 + 525 + 1 = 666.

It is not a de Polignac number, because 130555251 - 2² = 130555247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130555253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381570 + ... + 381911.

It is an arithmetic number, because the mean of its divisors is an integer number (16542110).

Almost surely, 2^130555251 is an apocalyptic number.

130555251 is a deficient number, since it is larger than the sum of its proper divisors (67950069).

130555251 is a wasteful number, since it uses less digits than its factorization.

130555251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763506 (or 763503 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 130555251 is about 11426.0776734626. The cubic root of 130555251 is about 507.2999054257.

The spelling of 130555251 in words is "one hundred thirty million, five hundred fifty-five thousand, two hundred fifty-one".