115500233 has 2 divisors, whose sum is σ = 115500234. Its totient is φ = 115500232.

The previous prime is 115500223. The next prime is 115500247. The reversal of 115500233 is 332005511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 4892944 = 10517^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 115500233 - 2¹² = 115496137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115500223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57750116 + 57750117.

It is an arithmetic number, because the mean of its divisors is an integer number (57750117).

Almost surely, 2^115500233 is an apocalyptic number.

It is an amenable number.

115500233 is a deficient number, since it is larger than the sum of its proper divisors (1).

115500233 is an equidigital number, since it uses as much as digits as its factorization.

115500233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 115500233 is about 10747.1034702379. The cubic root of 115500233 is about 486.9984961451.

Adding to 115500233 its reverse (332005511), we get a palindrome (447505744).

The spelling of 115500233 in words is "one hundred fifteen million, five hundred thousand, two hundred thirty-three".