5065639 has 4 divisors (see below), whose sum is σ = 5104440. Its totient is φ = 5026840.

The previous prime is 5065607. The next prime is 5065651. The reversal of 5065639 is 9365605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9365605 = 5 ⋅1873121.

It is a cyclic number.

It is not a de Polignac number, because 5065639 - 2⁵ = 5065607 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 (5065699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19204 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (1276110).

Almost surely, 2^5065639 is an apocalyptic number.

5065639 is a deficient number, since it is larger than the sum of its proper divisors (38801).

5065639 is a wasteful number, since it uses less digits than its factorization.

5065639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 5065639 is about 2250.6974474593. The cubic root of 5065639 is about 171.7426180185.

Subtracting from 5065639 its sum of digits (34), we obtain a palindrome (5065605).

The spelling of 5065639 in words is "five million, sixty-five thousand, six hundred thirty-nine".