517204317 has 8 divisors (see below), whose sum is σ = 788120896. Its totient is φ = 295545312.

The previous prime is 517204297. The next prime is 517204327. The reversal of 517204317 is 713402715.

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

It is not a de Polignac number, because 517204317 - 2⁶ = 517204253 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 (517204327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12314368 + ... + 12314409.

It is an arithmetic number, because the mean of its divisors is an integer number (98515112).

Almost surely, 2^517204317 is an apocalyptic number.

It is an amenable number.

517204317 is a deficient number, since it is larger than the sum of its proper divisors (270916579).

517204317 is a wasteful number, since it uses less digits than its factorization.

517204317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24628787.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 517204317 is about 22742.1264836866. The cubic root of 517204317 is about 802.7014492179.

The spelling of 517204317 in words is "five hundred seventeen million, two hundred four thousand, three hundred seventeen".