115715297 has 2 divisors, whose sum is σ = 115715298. Its totient is φ = 115715296.

The previous prime is 115715287. The next prime is 115715309. The reversal of 115715297 is 792517511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 46226401 = 8336^2 + 6799^2 .

It is a cyclic number.

It is not a de Polignac number, because 115715297 - 2¹⁶ = 115649761 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115715297.

It is not a weakly prime, because it can be changed into another prime (115715287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57857648 + 57857649.

It is an arithmetic number, because the mean of its divisors is an integer number (57857649).

Almost surely, 2^115715297 is an apocalyptic number.

It is an amenable number.

115715297 is a deficient number, since it is larger than the sum of its proper divisors (1).

115715297 is an equidigital number, since it uses as much as digits as its factorization.

115715297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 38.

The square root of 115715297 is about 10757.1044895920. The cubic root of 115715297 is about 487.3005760694.

The spelling of 115715297 in words is "one hundred fifteen million, seven hundred fifteen thousand, two hundred ninety-seven".