517100493 has 32 divisors (see below), whose sum is σ = 871526656. Its totient is φ = 265379328.

The previous prime is 517100483. The next prime is 517100497. The reversal of 517100493 is 394001715.

It is not a de Polignac number, because 517100493 - 2¹⁴ = 517084109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 517100493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517100497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15496 + ... + 35697.

It is an arithmetic number, because the mean of its divisors is an integer number (27235208).

Almost surely, 2^517100493 is an apocalyptic number.

It is an amenable number.

517100493 is a deficient number, since it is larger than the sum of its proper divisors (354426163).

517100493 is a wasteful number, since it uses less digits than its factorization.

517100493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51253.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 517100493 is about 22739.8437329723. The cubic root of 517100493 is about 802.6477339841.

The spelling of 517100493 in words is "five hundred seventeen million, one hundred thousand, four hundred ninety-three".