5217598831 has 4 divisors (see below), whose sum is σ = 5255683632. Its totient is φ = 5179514032.

The previous prime is 5217598823. The next prime is 5217598901. The reversal of 5217598831 is 1388957125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5217598831 - 2³ = 5217598823 is a prime.

It is a super-2 number, since 2×5217598831² = 54446675122505133122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217598931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19042195 + ... + 19042468.

It is an arithmetic number, because the mean of its divisors is an integer number (1313920908).

Almost surely, 2^5217598831 is an apocalyptic number.

5217598831 is a deficient number, since it is larger than the sum of its proper divisors (38084801).

5217598831 is a wasteful number, since it uses less digits than its factorization.

5217598831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38084800.

The product of its digits is 604800, while the sum is 49.

The square root of 5217598831 is about 72232.9483753778. The cubic root of 5217598831 is about 1734.4304709087.

The spelling of 5217598831 in words is "five billion, two hundred seventeen million, five hundred ninety-eight thousand, eight hundred thirty-one".