6816317 has 4 divisors (see below), whose sum is σ = 6974880. Its totient is φ = 6657756.

The previous prime is 6816301. The next prime is 6816331. The reversal of 6816317 is 7136186.

6816317 is digitally balanced in base 3, 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, 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: 7136186 = 2 ⋅3568093.

It is a cyclic number.

It is not a de Polignac number, because 6816317 - 2⁴ = 6816301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816367) 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, 79217 + ... + 79302.

It is an arithmetic number, because the mean of its divisors is an integer number (1743720).

Almost surely, 2^6816317 is an apocalyptic number.

It is an amenable number.

6816317 is a deficient number, since it is larger than the sum of its proper divisors (158563).

6816317 is a wasteful number, since it uses less digits than its factorization.

6816317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158562.

The product of its digits is 6048, while the sum is 32.

The square root of 6816317 is about 2610.8077294202. The cubic root of 6816317 is about 189.6050614499.

The spelling of 6816317 in words is "six million, eight hundred sixteen thousand, three hundred seventeen".