520613260 has 12 divisors (see below), whose sum is σ = 1093287888. Its totient is φ = 208245296.

The previous prime is 520613209. The next prime is 520613263. The reversal of 520613260 is 62316025.

It is not an unprimeable number, because it can be changed into a prime (520613263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13015312 + ... + 13015351.

It is an arithmetic number, because the mean of its divisors is an integer number (91107324).

Almost surely, 2^520613260 is an apocalyptic number.

It is an amenable number.

520613260 is an abundant number, since it is smaller than the sum of its proper divisors (572674628).

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

520613260 is a wasteful number, since it uses less digits than its factorization.

520613260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26030672 (or 26030670 counting only the distinct ones).

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

The square root of 520613260 is about 22816.9511547884. The cubic root of 520613260 is about 804.4611493574.

Adding to 520613260 its reverse (62316025), we get a palindrome (582929285).

The spelling of 520613260 in words is "five hundred twenty million, six hundred thirteen thousand, two hundred sixty".