625626257317 has 8 divisors (see below), whose sum is σ = 634596515712. Its totient is φ = 616660405200.

The previous prime is 625626257309. The next prime is 625626257323. The reversal of 625626257317 is 713752626526.

625626257317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 625626257317 - 2³ = 625626257309 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 (625626257017) 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, 815034 + ... + 1384027.

It is an arithmetic number, because the mean of its divisors is an integer number (79324564464).

Almost surely, 2^625626257317 is an apocalyptic number.

It is an amenable number.

625626257317 is a deficient number, since it is larger than the sum of its proper divisors (8970258395).

625626257317 is a wasteful number, since it uses less digits than its factorization.

625626257317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203139.

The product of its digits is 6350400, while the sum is 52.

The spelling of 625626257317 in words is "six hundred twenty-five billion, six hundred twenty-six million, two hundred fifty-seven thousand, three hundred seventeen".