130975825 has 6 divisors (see below), whose sum is σ = 162410054. Its totient is φ = 104780640.

The previous prime is 130975813. The next prime is 130975843. The reversal of 130975825 is 528579031.

It can be written as a sum of positive squares in 3 ways, for example, as 9072144 + 121903681 = 3012^2 + 11041^2 .

It is not a de Polignac number, because 130975825 - 2²⁵ = 97421393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619492 + ... + 2619541.

Almost surely, 2^130975825 is an apocalyptic number.

It is an amenable number.

130975825 is a deficient number, since it is larger than the sum of its proper divisors (31434229).

130975825 is an equidigital number, since it uses as much as digits as its factorization.

130975825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239043 (or 5239038 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 130975825 is about 11444.4670037534. The cubic root of 130975825 is about 507.8440644522.

The spelling of 130975825 in words is "one hundred thirty million, nine hundred seventy-five thousand, eight hundred twenty-five".