5117972417 has 6 divisors (see below), whose sum is σ = 5419341954. Its totient is φ = 4816637600.

The previous prime is 5117972413. The next prime is 5117972429. The reversal of 5117972417 is 7142797115.

It can be written as a sum of positive squares in only one way, i.e., 4816915216 + 301057201 = 69404^2 + 17351^2 .

It is not a de Polignac number, because 5117972417 - 2² = 5117972413 is a prime.

It is a super-2 number, since 2×5117972417² = 52387283322345643778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5117972413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286292 + ... + 303642.

It is an arithmetic number, because the mean of its divisors is an integer number (903223659).

Almost surely, 2^5117972417 is an apocalyptic number.

It is an amenable number.

5117972417 is a deficient number, since it is larger than the sum of its proper divisors (301369537).

5117972417 is an frugal number, since it uses more digits than its factorization.

5117972417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719 (or 17368 counting only the distinct ones).

The product of its digits is 123480, while the sum is 44.

The square root of 5117972417 is about 71540.0057100920. The cubic root of 5117972417 is about 1723.3202066134.

The spelling of 5117972417 in words is "five billion, one hundred seventeen million, nine hundred seventy-two thousand, four hundred seventeen".