115252217 has 2 divisors, whose sum is σ = 115252218. Its totient is φ = 115252216.

The previous prime is 115252187. The next prime is 115252237. The reversal of 115252217 is 712252511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85451536 + 29800681 = 9244^2 + 5459^2 .

It is a cyclic number.

It is not a de Polignac number, because 115252217 - 2⁶ = 115252153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115252237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57626108 + 57626109.

It is an arithmetic number, because the mean of its divisors is an integer number (57626109).

Almost surely, 2^115252217 is an apocalyptic number.

It is an amenable number.

115252217 is a deficient number, since it is larger than the sum of its proper divisors (1).

115252217 is an equidigital number, since it uses as much as digits as its factorization.

115252217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 26.

The square root of 115252217 is about 10735.5585322795. The cubic root of 115252217 is about 486.6496657496.

The spelling of 115252217 in words is "one hundred fifteen million, two hundred fifty-two thousand, two hundred seventeen".