6648317 has 4 divisors (see below), whose sum is σ = 7159740. Its totient is φ = 6136896.

The previous prime is 6648307. The next prime is 6648331. The reversal of 6648317 is 7138466.

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 3136441 + 3511876 = 1771^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 6648317 - 2¹⁸ = 6386173 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 (6648307) 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, 255692 + ... + 255717.

It is an arithmetic number, because the mean of its divisors is an integer number (1789935).

Almost surely, 2^6648317 is an apocalyptic number.

It is an amenable number.

6648317 is a deficient number, since it is larger than the sum of its proper divisors (511423).

6648317 is a wasteful number, since it uses less digits than its factorization.

6648317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511422.

The product of its digits is 24192, while the sum is 35.

The square root of 6648317 is about 2578.4330512930. The cubic root of 6648317 is about 188.0343701307.

The spelling of 6648317 in words is "six million, six hundred forty-eight thousand, three hundred seventeen".