130332725 has 6 divisors (see below), whose sum is σ = 161612610. Its totient is φ = 104266160.

The previous prime is 130332721. The next prime is 130332751. The reversal of 130332725 is 527233031.

It can be written as a sum of positive squares in 3 ways, for example, as 38613796 + 91718929 = 6214^2 + 9577^2 .

It is not a de Polignac number, because 130332725 - 2² = 130332721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130332694 and 130332703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130332721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2606630 + ... + 2606679.

It is an arithmetic number, because the mean of its divisors is an integer number (26935435).

Almost surely, 2^130332725 is an apocalyptic number.

It is an amenable number.

130332725 is a deficient number, since it is larger than the sum of its proper divisors (31279885).

130332725 is an equidigital number, since it uses as much as digits as its factorization.

130332725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213319 (or 5213314 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 130332725 is about 11416.3358832858. The cubic root of 130332725 is about 507.0115176461.

Adding to 130332725 its reverse (527233031), we get a palindrome (657565756).

The spelling of 130332725 in words is "one hundred thirty million, three hundred thirty-two thousand, seven hundred twenty-five".