27239 has 2 divisors, whose sum is σ = 27240. Its totient is φ = 27238.

The previous prime is 27211. The next prime is 27241. The reversal of 27239 is 93272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27239 - 2¹² = 23143 is a prime.

Together with 27241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13619 + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (13620).

2²⁷²³⁹ is an apocalyptic number.

27239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27239 is an equidigital number, since it uses as much as digits as its factorization.

27239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 27239 is about 165.0424187898. The cubic root of 27239 is about 30.0882586111.

The spelling of 27239 in words is "twenty-seven thousand, two hundred thirty-nine".