115297297 has 2 divisors, whose sum is σ = 115297298. Its totient is φ = 115297296.

The previous prime is 115297283. The next prime is 115297309. The reversal of 115297297 is 792792511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 13771521 = 10076^2 + 3711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115297297 is a prime.

It is a super-3 number, since 3×115297297³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (115297267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57648648 + 57648649.

It is an arithmetic number, because the mean of its divisors is an integer number (57648649).

Almost surely, 2^115297297 is an apocalyptic number.

It is an amenable number.

115297297 is a deficient number, since it is larger than the sum of its proper divisors (1).

115297297 is an equidigital number, since it uses as much as digits as its factorization.

115297297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 43.

The square root of 115297297 is about 10737.6578917378. The cubic root of 115297297 is about 486.7131072110.

The spelling of 115297297 in words is "one hundred fifteen million, two hundred ninety-seven thousand, two hundred ninety-seven".