520626130 has 16 divisors (see below), whose sum is σ = 943098840. Its totient is φ = 206923392.

The previous prime is 520626107. The next prime is 520626131. The reversal of 520626130 is 31626025.

It can be written as a sum of positive squares in 4 ways, for example, as 402925329 + 117700801 = 20073^2 + 10849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520626095 and 520626104.

It is not an unprimeable number, because it can be changed into a prime (520626131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164235 + ... + 167374.

Almost surely, 2^520626130 is an apocalyptic number.

520626130 is a deficient number, since it is larger than the sum of its proper divisors (422472710).

520626130 is a wasteful number, since it uses less digits than its factorization.

520626130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331773.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 520626130 is about 22817.2331802083. The cubic root of 520626130 is about 804.4677782894.

The spelling of 520626130 in words is "five hundred twenty million, six hundred twenty-six thousand, one hundred thirty".