75239 has 2 divisors, whose sum is σ = 75240. Its totient is φ = 75238.

The previous prime is 75227. The next prime is 75253. The reversal of 75239 is 93257.

It is a weak prime.

It is an emirp because it is prime and its reverse (93257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75239 - 2⁴ = 75223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37619 + 37620.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2⁷⁵²³⁹ is an apocalyptic number.

75239 is a deficient number, since it is larger than the sum of its proper divisors (1).

75239 is an equidigital number, since it uses as much as digits as its factorization.

75239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 26.

The square root of 75239 is about 274.2972839822. The cubic root of 75239 is about 42.2163814122.

The spelling of 75239 in words is "seventy-five thousand, two hundred thirty-nine".