520808607 has 12 divisors (see below), whose sum is σ = 820668264. Its totient is φ = 315641520.

The previous prime is 520808591. The next prime is 520808611. The reversal of 520808607 is 706808025.

It is not a de Polignac number, because 520808607 - 2⁴ = 520808591 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520808657) 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 11 ways as a sum of consecutive naturals, for example, 2630248 + ... + 2630445.

It is an arithmetic number, because the mean of its divisors is an integer number (68389022).

Almost surely, 2^520808607 is an apocalyptic number.

520808607 is a deficient number, since it is larger than the sum of its proper divisors (299859657).

520808607 is a wasteful number, since it uses less digits than its factorization.

520808607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260710 (or 5260707 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 520808607 is about 22821.2314961310. The cubic root of 520808607 is about 804.5617546966.

The spelling of 520808607 in words is "five hundred twenty million, eight hundred eight thousand, six hundred seven".