80239 has 2 divisors, whose sum is σ = 80240. Its totient is φ = 80238.

The previous prime is 80233. The next prime is 80251. The reversal of 80239 is 93208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80239 - 2³ = 80231 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40119 + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (40120).

2⁸⁰²³⁹ is an apocalyptic number.

80239 is a deficient number, since it is larger than the sum of its proper divisors (1).

80239 is an equidigital number, since it uses as much as digits as its factorization.

80239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 80239 is about 283.2648936949. The cubic root of 80239 is about 43.1315602986.

It can be divided in two parts, 802 and 39, that added together give a square (841 = 29²).

The spelling of 80239 in words is "eighty thousand, two hundred thirty-nine".