713521125317 has 48 divisors (see below), whose sum is σ = 1019941932672. Its totient is φ = 483032309760.

The previous prime is 713521125313. The next prime is 713521125319.

713521125317 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 713521125317 - 2² = 713521125313 is a prime.

It is a super-2 number, since 2×713521125317² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713521125313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1391468 + ... + 1833909.

It is an arithmetic number, because the mean of its divisors is an integer number (21248790264).

Almost surely, 2^713521125317 is an apocalyptic number.

713521125317 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

713521125317 is a deficient number, since it is larger than the sum of its proper divisors (306420807355).

713521125317 is a wasteful number, since it uses less digits than its factorization.

713521125317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225438 (or 3225425 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

It can be divided in two parts, 713521 and 125317, that added together give a palindrome (838838).

The spelling of 713521125317 in words is "seven hundred thirteen billion, five hundred twenty-one million, one hundred twenty-five thousand, three hundred seventeen".