517170051 has 12 divisors (see below), whose sum is σ = 749460712. Its totient is φ = 343655136.

The previous prime is 517170047. The next prime is 517170077. The reversal of 517170051 is 150071715.

It is not a de Polignac number, because 517170051 - 2² = 517170047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517169997 and 517170024.

It is not an unprimeable number, because it can be changed into a prime (512170051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90826 + ... + 96351.

Almost surely, 2^517170051 is an apocalyptic number.

517170051 is a deficient number, since it is larger than the sum of its proper divisors (232290661).

517170051 is a wasteful number, since it uses less digits than its factorization.

517170051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187490 (or 187487 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 517170051 is about 22741.3731115779. The cubic root of 517170051 is about 802.6837218747.

The spelling of 517170051 in words is "five hundred seventeen million, one hundred seventy thousand, fifty-one".