115213499 has 2 divisors, whose sum is σ = 115213500. Its totient is φ = 115213498.

The previous prime is 115213493. The next prime is 115213513. The reversal of 115213499 is 994312511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115213499 - 2⁸ = 115213243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115213493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606749 + 57606750.

It is an arithmetic number, because the mean of its divisors is an integer number (57606750).

Almost surely, 2^115213499 is an apocalyptic number.

115213499 is a deficient number, since it is larger than the sum of its proper divisors (1).

115213499 is an equidigital number, since it uses as much as digits as its factorization.

115213499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 115213499 is about 10733.7551211121. The cubic root of 115213499 is about 486.5951643769.

The spelling of 115213499 in words is "one hundred fifteen million, two hundred thirteen thousand, four hundred ninety-nine".