517712417 has 8 divisors (see below), whose sum is σ = 531775776. Its totient is φ = 503835552.

The previous prime is 517712413. The next prime is 517712443. The reversal of 517712417 is 714217715.

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 517712417 - 2² = 517712413 is a prime.

It is a super-2 number, since 2×517712417² = 536052293431963778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517712413) 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, 40988 + ... + 52109.

It is an arithmetic number, because the mean of its divisors is an integer number (66471972).

Almost surely, 2^517712417 is an apocalyptic number.

It is an amenable number.

517712417 is a deficient number, since it is larger than the sum of its proper divisors (14063359).

517712417 is an equidigital number, since it uses as much as digits as its factorization.

517712417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93247.

The product of its digits is 13720, while the sum is 35.

The square root of 517712417 is about 22753.2946405570. The cubic root of 517712417 is about 802.9642203692.

The spelling of 517712417 in words is "five hundred seventeen million, seven hundred twelve thousand, four hundred seventeen".