791245393 has 4 divisors (see below), whose sum is σ = 799402660. Its totient is φ = 783088128.

The previous prime is 791245387. The next prime is 791245397. The reversal of 791245393 is 393542197.

791245393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 362217024 + 429028369 = 19032^2 + 20713^2 .

It is a cyclic number.

It is not a de Polignac number, because 791245393 - 2⁵ = 791245361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791245397) 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, 4078488 + ... + 4078681.

It is an arithmetic number, because the mean of its divisors is an integer number (199850665).

Almost surely, 2^791245393 is an apocalyptic number.

It is an amenable number.

791245393 is a deficient number, since it is larger than the sum of its proper divisors (8157267).

791245393 is an equidigital number, since it uses as much as digits as its factorization.

791245393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157266.

The product of its digits is 204120, while the sum is 43.

The square root of 791245393 is about 28129.0844678600. The cubic root of 791245393 is about 924.9190649420.

The spelling of 791245393 in words is "seven hundred ninety-one million, two hundred forty-five thousand, three hundred ninety-three".