130615625 has 36 divisors (see below), whose sum is σ = 190136268. Its totient is φ = 89460000.

The previous prime is 130615621. The next prime is 130615637. The reversal of 130615625 is 526516031.

It can be written as a sum of positive squares in 6 ways, for example, as 127328656 + 3286969 = 11284^2 + 1813^2 .

It is not a de Polignac number, because 130615625 - 2² = 130615621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130615621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 152699 + ... + 153551.

It is an arithmetic number, because the mean of its divisors is an integer number (5281563).

Almost surely, 2^130615625 is an apocalyptic number.

It is an amenable number.

130615625 is a deficient number, since it is larger than the sum of its proper divisors (59520643).

130615625 is an frugal number, since it uses more digits than its factorization.

130615625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 130615625 is about 11428.7193070790. The cubic root of 130615625 is about 507.3780920027.

The spelling of 130615625 in words is "one hundred thirty million, six hundred fifteen thousand, six hundred twenty-five".