6680291 has 4 divisors (see below), whose sum is σ = 6689232. Its totient is φ = 6671352.

The previous prime is 6680287. The next prime is 6680321. The reversal of 6680291 is 1920866.

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 6680291 - 2² = 6680287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6683291) 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, 3236 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (1672308).

Almost surely, 2^6680291 is an apocalyptic number.

6680291 is a deficient number, since it is larger than the sum of its proper divisors (8941).

6680291 is an equidigital number, since it uses as much as digits as its factorization.

6680291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6680291 is about 2584.6258916911. The cubic root of 6680291 is about 188.3353284219.

The spelling of 6680291 in words is "six million, six hundred eighty thousand, two hundred ninety-one".