115371617 has 2 divisors, whose sum is σ = 115371618. Its totient is φ = 115371616.

The previous prime is 115371589. The next prime is 115371631. The reversal of 115371617 is 716173511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 13845841 = 10076^2 + 3721^2 .

It is an emirp because it is prime and its reverse (716173511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115371617 - 2¹⁸ = 115109473 is a prime.

It is a super-2 number, since 2×115371617² = 26621220018389378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115371637) 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, 57685808 + 57685809.

It is an arithmetic number, because the mean of its divisors is an integer number (57685809).

Almost surely, 2^115371617 is an apocalyptic number.

It is an amenable number.

115371617 is a deficient number, since it is larger than the sum of its proper divisors (1).

115371617 is an equidigital number, since it uses as much as digits as its factorization.

115371617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 115371617 is about 10741.1180516741. The cubic root of 115371617 is about 486.8176622748.

The spelling of 115371617 in words is "one hundred fifteen million, three hundred seventy-one thousand, six hundred seventeen".