5117639 has 4 divisors (see below), whose sum is σ = 5138280. Its totient is φ = 5097000.

The previous prime is 5117633. The next prime is 5117653. The reversal of 5117639 is 9367115.

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 5117639 - 2²⁰ = 4069063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9944 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (1284570).

Almost surely, 2^5117639 is an apocalyptic number.

5117639 is a deficient number, since it is larger than the sum of its proper divisors (20641).

5117639 is a wasteful number, since it uses less digits than its factorization.

5117639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640.

The product of its digits is 5670, while the sum is 32.

The square root of 5117639 is about 2262.2199274164. The cubic root of 5117639 is about 172.3282783152.

It can be divided in two parts, 51176 and 39, that added together give a palindrome (51215).

The spelling of 5117639 in words is "five million, one hundred seventeen thousand, six hundred thirty-nine".