520531130 has 32 divisors (see below), whose sum is σ = 1076270976. Its totient is φ = 177557184.

The previous prime is 520531129. The next prime is 520531171. The reversal of 520531130 is 31135025.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (33633468).

Almost surely, 2^520531130 is an apocalyptic number.

520531130 is an abundant number, since it is smaller than the sum of its proper divisors (555739846).

520531130 is a wasteful number, since it uses less digits than its factorization.

520531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37958.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 520531130 is about 22815.1513253802. The cubic root of 520531130 is about 804.4188442057.

Adding to 520531130 its reverse (31135025), we get a palindrome (551666155).

The spelling of 520531130 in words is "five hundred twenty million, five hundred thirty-one thousand, one hundred thirty".