6682861 has 2 divisors, whose sum is σ = 6682862. Its totient is φ = 6682860.

The previous prime is 6682859. The next prime is 6682901. The reversal of 6682861 is 1682866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 281961 = 2530^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 6682861 - 2¹ = 6682859 is a prime.

It is a super-2 number, since 2×6682861² = 89321262290642, which contains 22 as substring.

Together with 6682859, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6682861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6682801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341430 + 3341431.

It is an arithmetic number, because the mean of its divisors is an integer number (3341431).

Almost surely, 2^6682861 is an apocalyptic number.

It is an amenable number.

6682861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6682861 is an equidigital number, since it uses as much as digits as its factorization.

6682861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 6682861 is about 2585.1230144811. The cubic root of 6682861 is about 188.3594770574.

The spelling of 6682861 in words is "six million, six hundred eighty-two thousand, eight hundred sixty-one".