2680999 has 2 divisors, whose sum is σ = 2681000. Its totient is φ = 2680998.

The previous prime is 2680991. The next prime is 2681009. The reversal of 2680999 is 9990862.

2680999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2680999 - 2³ = 2680991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680991) 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, 1340499 + 1340500.

It is an arithmetic number, because the mean of its divisors is an integer number (1340500).

2^2680999 is an apocalyptic number.

2680999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680999 is an equidigital number, since it uses as much as digits as its factorization.

2680999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2680999 is about 1637.3756441330. The cubic root of 2680999 is about 138.9202482315.

The spelling of 2680999 in words is "two million, six hundred eighty thousand, nine hundred ninety-nine".