130515825 has 24 divisors (see below), whose sum is σ = 235404576. Its totient is φ = 63280000.

The previous prime is 130515809. The next prime is 130515829. The reversal of 130515825 is 528515031.

It is not a de Polignac number, because 130515825 - 2⁴ = 130515809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130515792 and 130515801.

It is not an unprimeable number, because it can be changed into a prime (130515829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78276 + ... + 79925.

It is an arithmetic number, because the mean of its divisors is an integer number (9808524).

Almost surely, 2^130515825 is an apocalyptic number.

130515825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130515825 is a deficient number, since it is larger than the sum of its proper divisors (104888751).

130515825 is a wasteful number, since it uses less digits than its factorization.

130515825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158225 (or 158220 counting only the distinct ones).

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

The square root of 130515825 is about 11424.3522792323. The cubic root of 130515825 is about 507.2488342775.

The spelling of 130515825 in words is "one hundred thirty million, five hundred fifteen thousand, eight hundred twenty-five".