115593 has 8 divisors (see below), whose sum is σ = 157248. Its totient is φ = 75504.

The previous prime is 115589. The next prime is 115597. The reversal of 115593 is 395511.

It is an interprime number because it is at equal distance from previous prime (115589) and next prime (115597).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115593 - 2² = 115589 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115593.

It is not an unprimeable number, because it can be changed into a prime (115597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 522.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2¹¹⁵⁵⁹³ is an apocalyptic number.

It is an amenable number.

115593 is a deficient number, since it is larger than the sum of its proper divisors (41655).

115593 is an equidigital number, since it uses as much as digits as its factorization.

115593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its digits is 675, while the sum is 24.

The square root of 115593 is about 339.9897057265. The cubic root of 115593 is about 48.7128843068.

The spelling of 115593 in words is "one hundred fifteen thousand, five hundred ninety-three".