5256239 has 2 divisors, whose sum is σ = 5256240. Its totient is φ = 5256238.

The previous prime is 5256233. The next prime is 5256253. The reversal of 5256239 is 9326525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5256239 - 2²⁰ = 4207663 is a prime.

It is a Sophie Germain 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 (5256233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628119 + 2628120.

It is an arithmetic number, because the mean of its divisors is an integer number (2628120).

Almost surely, 2^5256239 is an apocalyptic number.

5256239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256239 is an equidigital number, since it uses as much as digits as its factorization.

5256239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 5256239 is about 2292.6489046516. The cubic root of 5256239 is about 173.8701523876.

The spelling of 5256239 in words is "five million, two hundred fifty-six thousand, two hundred thirty-nine".