130520425 has 24 divisors (see below), whose sum is σ = 189487872. Its totient is φ = 87312000.

The previous prime is 130520413. The next prime is 130520431. The reversal of 130520425 is 524025031.

It is not a de Polignac number, because 130520425 - 2⁹ = 130519913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130520396 and 130520405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921 + ... + 16270.

It is an arithmetic number, because the mean of its divisors is an integer number (7895328).

Almost surely, 2^130520425 is an apocalyptic number.

It is an amenable number.

130520425 is a deficient number, since it is larger than the sum of its proper divisors (58967447).

130520425 is a wasteful number, since it uses less digits than its factorization.

130520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249 (or 18244 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 130520425 is about 11424.5536017824. The cubic root of 130520425 is about 507.2547934966.

Adding to 130520425 its reverse (524025031), we get a palindrome (654545456).

The spelling of 130520425 in words is "one hundred thirty million, five hundred twenty thousand, four hundred twenty-five".