115212233 has 2 divisors, whose sum is σ = 115212234. Its totient is φ = 115212232.

The previous prime is 115212161. The next prime is 115212269. The reversal of 115212233 is 332212511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61512649 + 53699584 = 7843^2 + 7328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115212233 is a prime.

It is not a weakly prime, because it can be changed into another prime (115212283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606116 + 57606117.

It is an arithmetic number, because the mean of its divisors is an integer number (57606117).

Almost surely, 2^115212233 is an apocalyptic number.

It is an amenable number.

115212233 is a deficient number, since it is larger than the sum of its proper divisors (1).

115212233 is an equidigital number, since it uses as much as digits as its factorization.

115212233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 115212233 is about 10733.6961481123. The cubic root of 115212233 is about 486.5933820865.

Adding to 115212233 its reverse (332212511), we get a palindrome (447424744).

The spelling of 115212233 in words is "one hundred fifteen million, two hundred twelve thousand, two hundred thirty-three".