2000659 has 2 divisors, whose sum is σ = 2000660. Its totient is φ = 2000658.

The previous prime is 2000653. The next prime is 2000671. The reversal of 2000659 is 9560002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000659 - 2⁹ = 2000147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000653) 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, 1000329 + 1000330.

It is an arithmetic number, because the mean of its divisors is an integer number (1000330).

2^2000659 is an apocalyptic number.

2000659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000659 is an equidigital number, since it uses as much as digits as its factorization.

2000659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2000659 is about 1414.4465348680. The cubic root of 2000659 is about 126.0059416027.

The spelling of 2000659 in words is "two million, six hundred fifty-nine", and thus it is an aban number.