115433557 has 2 divisors, whose sum is σ = 115433558. Its totient is φ = 115433556.

The previous prime is 115433537. The next prime is 115433561. The reversal of 115433557 is 755334511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101787921 + 13645636 = 10089^2 + 3694^2 .

It is a cyclic number.

It is not a de Polignac number, because 115433557 - 2¹⁹ = 114909269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115433537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57716778 + 57716779.

It is an arithmetic number, because the mean of its divisors is an integer number (57716779).

Almost surely, 2^115433557 is an apocalyptic number.

It is an amenable number.

115433557 is a deficient number, since it is larger than the sum of its proper divisors (1).

115433557 is an equidigital number, since it uses as much as digits as its factorization.

115433557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 115433557 is about 10744.0009772896. Note that the first 3 decimals coincide. The cubic root of 115433557 is about 486.9047665736.

The spelling of 115433557 in words is "one hundred fifteen million, four hundred thirty-three thousand, five hundred fifty-seven".