5317612520 has 64 divisors (see below), whose sum is σ = 13082264640. Its totient is φ = 1929241600.

The previous prime is 5317612519. The next prime is 5317612523. The reversal of 5317612520 is 252167135.

It is not an unprimeable number, because it can be changed into a prime (5317612523) 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, 181280 + ... + 208560.

It is an arithmetic number, because the mean of its divisors is an integer number (204410385).

Almost surely, 2^5317612520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5317612520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6541132320).

5317612520 is an abundant number, since it is smaller than the sum of its proper divisors (7764652120).

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

5317612520 is a wasteful number, since it uses less digits than its factorization.

5317612520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27746 (or 27742 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5317612520 is about 72921.9618496376. The cubic root of 5317612520 is about 1745.4425655579.

Adding to 5317612520 its reverse (252167135), we get a palindrome (5569779655).

The spelling of 5317612520 in words is "five billion, three hundred seventeen million, six hundred twelve thousand, five hundred twenty".