115597 has 2 divisors, whose sum is σ = 115598.
Its totient is φ = 115596.
The previous prime is 115589. The next prime is 115601. The reversal of 115597 is 795511.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 114921 + 676 = 339^2 + 26^2
It is a cyclic number.
It is not a de Polignac number, because 115597 - 23 = 115589 is a prime.
115597 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (115547) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57798 + 57799.
It is an arithmetic number, because the mean of its divisors is an integer number (57799).
2115597 is an apocalyptic number.
It is an amenable number.
115597 is a deficient number, since it is larger than the sum of its proper divisors (1).
115597 is an equidigital number, since it uses as much as digits as its factorization.
115597 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1575, while the sum is 28.
The square root of 115597 is about 339.9955882067.
The cubic root of 115597 is about 48.7134461899.
The spelling of 115597 in words is "one hundred fifteen thousand, five hundred ninety-seven".