5257117524 has 96 divisors (see below), whose sum is σ = 13108480000. Its totient is φ = 1635106176.

The previous prime is 5257117513. The next prime is 5257117529. The reversal of 5257117524 is 4257117525.

It is a super-2 number, since 2×5257117524² = 55274569322295781152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257117529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4945017 + ... + 4946079.

Almost surely, 2^5257117524 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 5257117524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6554240000).

5257117524 is an abundant number, since it is smaller than the sum of its proper divisors (7851362476).

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

5257117524 is a wasteful number, since it uses less digits than its factorization.

5257117524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its digits is 98000, while the sum is 39.

The square root of 5257117524 is about 72505.9826772936. The cubic root of 5257117524 is about 1738.7983869195.

Subtracting from 5257117524 its reverse (4257117525), we obtain a palindrome (999999999).

The spelling of 5257117524 in words is "five billion, two hundred fifty-seven million, one hundred seventeen thousand, five hundred twenty-four".