2517398317 has 8 divisors (see below), whose sum is σ = 2877336000. Its totient is φ = 2157537984.

The previous prime is 2517398297. The next prime is 2517398333. The reversal of 2517398317 is 7138937152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2517398317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517398347) 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, 97434 + ... + 120532.

It is an arithmetic number, because the mean of its divisors is an integer number (359667000).

Almost surely, 2^2517398317 is an apocalyptic number.

It is an amenable number.

2517398317 is a deficient number, since it is larger than the sum of its proper divisors (359937683).

2517398317 is a wasteful number, since it uses less digits than its factorization.

2517398317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38675.

The product of its digits is 317520, while the sum is 46.

The square root of 2517398317 is about 50173.6815173055. The cubic root of 2517398317 is about 1360.3499526551.

The spelling of 2517398317 in words is "two billion, five hundred seventeen million, three hundred ninety-eight thousand, three hundred seventeen".