6680543 has 2 divisors, whose sum is σ = 6680544. Its totient is φ = 6680542.

The previous prime is 6680539. The next prime is 6680549. The reversal of 6680543 is 3450866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6680543 - 2² = 6680539 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6680549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340271 + 3340272.

It is an arithmetic number, because the mean of its divisors is an integer number (3340272).

Almost surely, 2^6680543 is an apocalyptic number.

6680543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680543 is an equidigital number, since it uses as much as digits as its factorization.

6680543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6680543 is about 2584.6746410332. The cubic root of 6680543 is about 188.3376965775.

The spelling of 6680543 in words is "six million, six hundred eighty thousand, five hundred forty-three".