115215433 has 2 divisors, whose sum is σ = 115215434. Its totient is φ = 115215432.

The previous prime is 115215391. The next prime is 115215469. The reversal of 115215433 is 334512511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113465104 + 1750329 = 10652^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 115215433 - 2²⁵ = 81661001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115215398 and 115215407.

It is not a weakly prime, because it can be changed into another prime (115255433) 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, 57607716 + 57607717.

It is an arithmetic number, because the mean of its divisors is an integer number (57607717).

Almost surely, 2^115215433 is an apocalyptic number.

It is an amenable number.

115215433 is a deficient number, since it is larger than the sum of its proper divisors (1).

115215433 is an equidigital number, since it uses as much as digits as its factorization.

115215433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 115215433 is about 10733.8452103615. The cubic root of 115215433 is about 486.5978870607.

Adding to 115215433 its reverse (334512511), we get a palindrome (449727944).

The spelling of 115215433 in words is "one hundred fifteen million, two hundred fifteen thousand, four hundred thirty-three".