5269639 has 2 divisors, whose sum is σ = 5269640. Its totient is φ = 5269638.

The previous prime is 5269633. The next prime is 5269673. The reversal of 5269639 is 9369625.

5269639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5269639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5269633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634819 + 2634820.

It is an arithmetic number, because the mean of its divisors is an integer number (2634820).

Almost surely, 2^5269639 is an apocalyptic number.

5269639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5269639 is an equidigital number, since it uses as much as digits as its factorization.

5269639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 5269639 is about 2295.5694282683. The cubic root of 5269639 is about 174.0177790438.

The spelling of 5269639 in words is "five million, two hundred sixty-nine thousand, six hundred thirty-nine".