5115639 has 8 divisors (see below), whose sum is σ = 6844032. Its totient is φ = 3398840.

The previous prime is 5115619. The next prime is 5115647. The reversal of 5115639 is 9365115.

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

It is a cyclic number.

It is not a de Polignac number, because 5115639 - 2⁷ = 5115511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115619) 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, 1809 + ... + 3674.

It is an arithmetic number, because the mean of its divisors is an integer number (855504).

Almost surely, 2^5115639 is an apocalyptic number.

5115639 is a deficient number, since it is larger than the sum of its proper divisors (1728393).

5115639 is a wasteful number, since it uses less digits than its factorization.

5115639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797.

The product of its digits is 4050, while the sum is 30.

The square root of 5115639 is about 2261.7778405493. Note that the first 3 decimals coincide. The cubic root of 5115639 is about 172.3058264603.

The spelling of 5115639 in words is "five million, one hundred fifteen thousand, six hundred thirty-nine".