5217639 has 16 divisors (see below), whose sum is σ = 7984128. Its totient is φ = 2968992.

The previous prime is 5217631. The next prime is 5217649. The reversal of 5217639 is 9367125.

It is not a de Polignac number, because 5217639 - 2³ = 5217631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217631) 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, 7369 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (499008).

Almost surely, 2^5217639 is an apocalyptic number.

5217639 is a deficient number, since it is larger than the sum of its proper divisors (2766489).

5217639 is a wasteful number, since it uses less digits than its factorization.

5217639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its digits is 11340, while the sum is 33.

The square root of 5217639 is about 2284.2151825080. The cubic root of 5217639 is about 173.4434921881.

The spelling of 5217639 in words is "five million, two hundred seventeen thousand, six hundred thirty-nine".