115321593 has 8 divisors (see below), whose sum is σ = 155708800. Its totient is φ = 75907728.

The previous prime is 115321589. The next prime is 115321607. The reversal of 115321593 is 395123511.

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

It is not a de Polignac number, because 115321593 - 2² = 115321589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115321593.

It is not an unprimeable number, because it can be changed into a prime (115321513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243058 + ... + 243531.

It is an arithmetic number, because the mean of its divisors is an integer number (19463600).

Almost surely, 2^115321593 is an apocalyptic number.

It is an amenable number.

115321593 is a deficient number, since it is larger than the sum of its proper divisors (40387207).

115321593 is an equidigital number, since it uses as much as digits as its factorization.

115321593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486671.

The product of its digits is 4050, while the sum is 30.

The square root of 115321593 is about 10738.7891775563. The cubic root of 115321593 is about 486.7472923175.

The spelling of 115321593 in words is "one hundred fifteen million, three hundred twenty-one thousand, five hundred ninety-three".