5217839 has 8 divisors (see below), whose sum is σ = 5712768. Its totient is φ = 4726360.

The previous prime is 5217809. The next prime is 5217841. The reversal of 5217839 is 9387125.

5217839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5217839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5217799 and 5217808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3134 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (714096).

Almost surely, 2^5217839 is an apocalyptic number.

5217839 is a deficient number, since it is larger than the sum of its proper divisors (494929).

5217839 is a wasteful number, since it uses less digits than its factorization.

5217839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its digits is 15120, while the sum is 35.

The square root of 5217839 is about 2284.2589608011. The cubic root of 5217839 is about 173.4457082769.

The spelling of 5217839 in words is "five million, two hundred seventeen thousand, eight hundred thirty-nine".