520759013 has 8 divisors (see below), whose sum is σ = 540560640. Its totient is φ = 501320880.

The previous prime is 520758991. The next prime is 520759033. The reversal of 520759013 is 310957025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520759013 - 2²² = 516564709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520759033) 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, 87953 + ... + 93686.

It is an arithmetic number, because the mean of its divisors is an integer number (67570080).

Almost surely, 2^520759013 is an apocalyptic number.

It is an amenable number.

520759013 is a deficient number, since it is larger than the sum of its proper divisors (19801627).

520759013 is a wasteful number, since it uses less digits than its factorization.

520759013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181747.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 520759013 is about 22820.1448943691. The cubic root of 520759013 is about 804.5362157547.

The spelling of 520759013 in words is "five hundred twenty million, seven hundred fifty-nine thousand, thirteen".