5005639 has 2 divisors, whose sum is σ = 5005640. Its totient is φ = 5005638.

The previous prime is 5005621. The next prime is 5005643. The reversal of 5005639 is 9365005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5005639 - 2⁹ = 5005127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5005669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502819 + 2502820.

It is an arithmetic number, because the mean of its divisors is an integer number (2502820).

Almost surely, 2^5005639 is an apocalyptic number.

5005639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005639 is an equidigital number, since it uses as much as digits as its factorization.

5005639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 5005639 is about 2237.3285409166. The cubic root of 5005639 is about 171.0618542122.

The spelling of 5005639 in words is "five million, five thousand, six hundred thirty-nine".