115901593 has 4 divisors (see below), whose sum is σ = 115952848. Its totient is φ = 115850340.

The previous prime is 115901581. The next prime is 115901627. The reversal of 115901593 is 395109511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 395109511 = 4073 ⋅97007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115901593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115901693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22071 + ... + 26812.

It is an arithmetic number, because the mean of its divisors is an integer number (28988212).

Almost surely, 2^115901593 is an apocalyptic number.

It is an amenable number.

115901593 is a deficient number, since it is larger than the sum of its proper divisors (51255).

115901593 is an equidigital number, since it uses as much as digits as its factorization.

115901593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51254.

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 115901593 is about 10765.7602146806. The cubic root of 115901593 is about 487.5619459306.

The spelling of 115901593 in words is "one hundred fifteen million, nine hundred one thousand, five hundred ninety-three".