517563013 has 8 divisors (see below), whose sum is σ = 576627840. Its totient is φ = 460500480.

The previous prime is 517562989. The next prime is 517563019. The reversal of 517563013 is 310365715.

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-517563013 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 (517563019) 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, 500028 + ... + 501061.

It is an arithmetic number, because the mean of its divisors is an integer number (72078480).

Almost surely, 2^517563013 is an apocalyptic number.

It is an amenable number.

517563013 is a deficient number, since it is larger than the sum of its proper divisors (59064827).

517563013 is a wasteful number, since it uses less digits than its factorization.

517563013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001147.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 517563013 is about 22750.0112747225. The cubic root of 517563013 is about 802.8869718142.

It can be divided in two parts, 517 and 563013, that multiplied together give a square (291077721 = 17061²).

The spelling of 517563013 in words is "five hundred seventeen million, five hundred sixty-three thousand, thirteen".