115025539 has 2 divisors, whose sum is σ = 115025540. Its totient is φ = 115025538.

The previous prime is 115025509. The next prime is 115025543. The reversal of 115025539 is 935520511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115025539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115025539.

It is not a weakly prime, because it can be changed into another prime (115025509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57512769 + 57512770.

It is an arithmetic number, because the mean of its divisors is an integer number (57512770).

Almost surely, 2^115025539 is an apocalyptic number.

115025539 is a deficient number, since it is larger than the sum of its proper divisors (1).

115025539 is an equidigital number, since it uses as much as digits as its factorization.

115025539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 115025539 is about 10724.9959906752. The cubic root of 115025539 is about 486.3304089174.

The spelling of 115025539 in words is "one hundred fifteen million, twenty-five thousand, five hundred thirty-nine".