520572131317 has 16 divisors (see below), whose sum is σ = 610574025600. Its totient is φ = 434617617600.

The previous prime is 520572131311. The next prime is 520572131341. The reversal of 520572131317 is 713131275025.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520572131317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520572131311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5736934 + ... + 5826967.

It is an arithmetic number, because the mean of its divisors is an integer number (38160876600).

Almost surely, 2^520572131317 is an apocalyptic number.

It is an amenable number.

520572131317 is a deficient number, since it is larger than the sum of its proper divisors (90001894283).

520572131317 is a wasteful number, since it uses less digits than its factorization.

520572131317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564076.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 520572131317 in words is "five hundred twenty billion, five hundred seventy-two million, one hundred thirty-one thousand, three hundred seventeen".