5185217517 has 16 divisors (see below), whose sum is σ = 6937748160. Its totient is φ = 3444768000.

The previous prime is 5185217509. The next prime is 5185217533. The reversal of 5185217517 is 7157125815.

It is not a de Polignac number, because 5185217517 - 2³ = 5185217509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185217717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948734 + ... + 1951392.

It is an arithmetic number, because the mean of its divisors is an integer number (433609260).

Almost surely, 2^5185217517 is an apocalyptic number.

It is an amenable number.

5185217517 is a deficient number, since it is larger than the sum of its proper divisors (1752530643).

5185217517 is a wasteful number, since it uses less digits than its factorization.

5185217517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its digits is 98000, while the sum is 42.

The square root of 5185217517 is about 72008.4544827897. The cubic root of 5185217517 is about 1730.8349647639.

The spelling of 5185217517 in words is "five billion, one hundred eighty-five million, two hundred seventeen thousand, five hundred seventeen".