115390571 has 2 divisors, whose sum is σ = 115390572. Its totient is φ = 115390570.

The previous prime is 115390469. The next prime is 115390601. The reversal of 115390571 is 175093511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115390571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115393571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57695285 + 57695286.

It is an arithmetic number, because the mean of its divisors is an integer number (57695286).

Almost surely, 2^115390571 is an apocalyptic number.

115390571 is a deficient number, since it is larger than the sum of its proper divisors (1).

115390571 is an equidigital number, since it uses as much as digits as its factorization.

115390571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 115390571 is about 10742.0003258239. Note that the first 3 decimals coincide. The cubic root of 115390571 is about 486.8443200061.

The spelling of 115390571 in words is "one hundred fifteen million, three hundred ninety thousand, five hundred seventy-one".