517230007 has 8 divisors (see below), whose sum is σ = 591292832. Its totient is φ = 443210400.

The previous prime is 517229963. The next prime is 517230011. The reversal of 517230007 is 700032715.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-517230007 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 (517230097) 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, 21157 + ... + 38497.

It is an arithmetic number, because the mean of its divisors is an integer number (73911604).

Almost surely, 2^517230007 is an apocalyptic number.

517230007 is a deficient number, since it is larger than the sum of its proper divisors (74062825).

517230007 is a wasteful number, since it uses less digits than its factorization.

517230007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21609.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 517230007 is about 22742.6912875324. The cubic root of 517230007 is about 802.7147392970.

The spelling of 517230007 in words is "five hundred seventeen million, two hundred thirty thousand, seven".