5256239507 has 2 divisors, whose sum is σ = 5256239508. Its totient is φ = 5256239506.

The previous prime is 5256239489. The next prime is 5256239539. The reversal of 5256239507 is 7059326525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5256239507 is a prime.

It is not a weakly prime, because it can be changed into another prime (5256239567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628119753 + 2628119754.

It is an arithmetic number, because the mean of its divisors is an integer number (2628119754).

Almost surely, 2^5256239507 is an apocalyptic number.

5256239507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256239507 is an equidigital number, since it uses as much as digits as its factorization.

5256239507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 5256239507 is about 72499.9276344466. The cubic root of 5256239507 is about 1738.7015797790.

The spelling of 5256239507 in words is "five billion, two hundred fifty-six million, two hundred thirty-nine thousand, five hundred seven".