115275533 has 2 divisors, whose sum is σ = 115275534. Its totient is φ = 115275532.

The previous prime is 115275401. The next prime is 115275553. The reversal of 115275533 is 335572511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91431844 + 23843689 = 9562^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 115275533 - 2¹⁸ = 115013389 is a prime.

It is a super-3 number, since 3×115275533³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115275533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115275553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57637766 + 57637767.

It is an arithmetic number, because the mean of its divisors is an integer number (57637767).

Almost surely, 2^115275533 is an apocalyptic number.

It is an amenable number.

115275533 is a deficient number, since it is larger than the sum of its proper divisors (1).

115275533 is an equidigital number, since it uses as much as digits as its factorization.

115275533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15750, while the sum is 32.

The square root of 115275533 is about 10736.6444013016. The cubic root of 115275533 is about 486.6824806166.

The spelling of 115275533 in words is "one hundred fifteen million, two hundred seventy-five thousand, five hundred thirty-three".