6680311 has 4 divisors (see below), whose sum is σ = 7287624. Its totient is φ = 6073000.

The previous prime is 6680287. The next prime is 6680321. The reversal of 6680311 is 1130866.

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

It is a cyclic number.

It is not a de Polignac number, because 6680311 - 2⁷ = 6680183 is a prime.

It is an Ulam number.

It is a Duffinian number.

6680311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303640 + ... + 303661.

It is an arithmetic number, because the mean of its divisors is an integer number (1821906).

Almost surely, 2^6680311 is an apocalyptic number.

6680311 is a deficient number, since it is larger than the sum of its proper divisors (607313).

6680311 is a wasteful number, since it uses less digits than its factorization.

6680311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607312.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 6680311 is about 2584.6297607201. The cubic root of 6680311 is about 188.3355163729.

The spelling of 6680311 in words is "six million, six hundred eighty thousand, three hundred eleven".