520606130 has 48 divisors (see below), whose sum is σ = 1090658520. Its totient is φ = 178168320.

The previous prime is 520606111. The next prime is 520606139. The reversal of 520606130 is 31606025.

It can be written as a sum of positive squares in 4 ways, for example, as 485453089 + 35153041 = 22033^2 + 5929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520606096 and 520606105.

It is not an unprimeable number, because it can be changed into a prime (520606139) 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, 7916 + ... + 33224.

Almost surely, 2^520606130 is an apocalyptic number.

520606130 is an abundant number, since it is smaller than the sum of its proper divisors (570052390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520606130 is a wasteful number, since it uses less digits than its factorization.

520606130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25355 (or 25344 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 520606130 is about 22816.7949107669. The cubic root of 520606130 is about 804.4574768718.

The spelling of 520606130 in words is "five hundred twenty million, six hundred six thousand, one hundred thirty".