5639759 has 2 divisors, whose sum is σ = 5639760. Its totient is φ = 5639758.

The previous prime is 5639749. The next prime is 5639773. The reversal of 5639759 is 9579365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5639759 - 2²⁰ = 4591183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5639729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819879 + 2819880.

It is an arithmetic number, because the mean of its divisors is an integer number (2819880).

Almost surely, 2^5639759 is an apocalyptic number.

5639759 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639759 is an equidigital number, since it uses as much as digits as its factorization.

5639759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 44.

The square root of 5639759 is about 2374.8176772123. The cubic root of 5639759 is about 178.0000736439. Note that the first 4 decimals are identical.

The spelling of 5639759 in words is "five million, six hundred thirty-nine thousand, seven hundred fifty-nine".