115633897 has 2 divisors, whose sum is σ = 115633898. Its totient is φ = 115633896.

The previous prime is 115633879. The next prime is 115633901. The reversal of 115633897 is 798336511.

Together with previous prime (115633879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 1806336 = 10669^2 + 1344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115633897 is a prime.

It is not a weakly prime, because it can be changed into another prime (115633807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57816948 + 57816949.

It is an arithmetic number, because the mean of its divisors is an integer number (57816949).

Almost surely, 2^115633897 is an apocalyptic number.

It is an amenable number.

115633897 is a deficient number, since it is larger than the sum of its proper divisors (1).

115633897 is an equidigital number, since it uses as much as digits as its factorization.

115633897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 115633897 is about 10753.3202779421. The cubic root of 115633897 is about 487.1862852981.

It can be divided in two parts, 1156 and 33897, that added together give a palindrome (35053).

The spelling of 115633897 in words is "one hundred fifteen million, six hundred thirty-three thousand, eight hundred ninety-seven".