5117931 has 32 divisors (see below), whose sum is σ = 9336320. Its totient is φ = 2698272.

The previous prime is 5117927. The next prime is 5117941. The reversal of 5117931 is 1397115.

It is a happy number.

It is not a de Polignac number, because 5117931 - 2² = 5117927 is a prime.

It is a super-2 number, since 2×5117931² = 52386435441522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5117895 and 5117904.

It is not an unprimeable number, because it can be changed into a prime (5117941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (291760).

Almost surely, 2^5117931 is an apocalyptic number.

5117931 is a deficient number, since it is larger than the sum of its proper divisors (4218389).

5117931 is a wasteful number, since it uses less digits than its factorization.

5117931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2106 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 5117931 is about 2262.2844648717. The cubic root of 5117931 is about 172.3315557966.

The spelling of 5117931 in words is "five million, one hundred seventeen thousand, nine hundred thirty-one".