6317321 has 4 divisors (see below), whose sum is σ = 6471444. Its totient is φ = 6163200.

The previous prime is 6317293. The next prime is 6317327. The reversal of 6317321 is 1237136.

It is a happy number.

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 1990921 + 4326400 = 1411^2 + 2080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6317321 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6317327) 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, 77000 + ... + 77081.

It is an arithmetic number, because the mean of its divisors is an integer number (1617861).

Almost surely, 2^6317321 is an apocalyptic number.

It is an amenable number.

6317321 is a deficient number, since it is larger than the sum of its proper divisors (154123).

6317321 is a wasteful number, since it uses less digits than its factorization.

6317321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154122.

The product of its digits is 756, while the sum is 23.

The square root of 6317321 is about 2513.4281370272. The cubic root of 6317321 is about 184.8605815914.

The spelling of 6317321 in words is "six million, three hundred seventeen thousand, three hundred twenty-one".