2680709 has 2 divisors, whose sum is σ = 2680710. Its totient is φ = 2680708.

The previous prime is 2680697. The next prime is 2680721. The reversal of 2680709 is 9070862.

2680709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2680697) and next prime (2680721).

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 1216609 = 1210^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680709 - 2⁴ = 2680693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340354 + 1340355.

It is an arithmetic number, because the mean of its divisors is an integer number (1340355).

2^2680709 is an apocalyptic number.

It is an amenable number.

2680709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680709 is an equidigital number, since it uses as much as digits as its factorization.

2680709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2680709 is about 1637.2870853946. The cubic root of 2680709 is about 138.9152391131.

The spelling of 2680709 in words is "two million, six hundred eighty thousand, seven hundred nine".