115233539 has 4 divisors (see below), whose sum is σ = 115428456. Its totient is φ = 115038624.

The previous prime is 115233533. The next prime is 115233553. The reversal of 115233539 is 935332511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115233539 - 2⁴ = 115233523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115233533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96569 + ... + 97754.

It is an arithmetic number, because the mean of its divisors is an integer number (28857114).

Almost surely, 2^115233539 is an apocalyptic number.

115233539 is a deficient number, since it is larger than the sum of its proper divisors (194917).

115233539 is an equidigital number, since it uses as much as digits as its factorization.

115233539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194916.

The product of its digits is 12150, while the sum is 32.

The square root of 115233539 is about 10734.6885842115. The cubic root of 115233539 is about 486.6233751967.

The spelling of 115233539 in words is "one hundred fifteen million, two hundred thirty-three thousand, five hundred thirty-nine".