130012525 has 12 divisors (see below), whose sum is σ = 161512852. Its totient is φ = 103818240.

The previous prime is 130012513. The next prime is 130012541. The reversal of 130012525 is 525210031.

It can be written as a sum of positive squares in 6 ways, for example, as 4639716 + 125372809 = 2154^2 + 11197^2 .

It is not a de Polignac number, because 130012525 - 2¹¹ = 130010477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9919 + ... + 18931.

Almost surely, 2^130012525 is an apocalyptic number.

It is an amenable number.

130012525 is a deficient number, since it is larger than the sum of its proper divisors (31500327).

130012525 is an equidigital number, since it uses as much as digits as its factorization.

130012525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 130012525 is about 11402.3034953469. The cubic root of 130012525 is about 506.5959703896.

Adding to 130012525 its reverse (525210031), we get a palindrome (655222556).

The spelling of 130012525 in words is "one hundred thirty million, twelve thousand, five hundred twenty-five".