115400317 has 2 divisors, whose sum is σ = 115400318. Its totient is φ = 115400316.

The previous prime is 115400293. The next prime is 115400353. The reversal of 115400317 is 713004511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 15280281 = 10006^2 + 3909^2 .

It is an emirp because it is prime and its reverse (713004511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115400317 - 2⁷ = 115400189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115400377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57700158 + 57700159.

It is an arithmetic number, because the mean of its divisors is an integer number (57700159).

Almost surely, 2^115400317 is an apocalyptic number.

It is an amenable number.

115400317 is a deficient number, since it is larger than the sum of its proper divisors (1).

115400317 is an equidigital number, since it uses as much as digits as its factorization.

115400317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 115400317 is about 10742.4539561499. The cubic root of 115400317 is about 486.8580260687.

Adding to 115400317 its reverse (713004511), we get a palindrome (828404828).

The spelling of 115400317 in words is "one hundred fifteen million, four hundred thousand, three hundred seventeen".