2085659 has 2 divisors, whose sum is σ = 2085660. Its totient is φ = 2085658.

The previous prime is 2085623. The next prime is 2085667. The reversal of 2085659 is 9565802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2085659 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 8³ + 5 + 6³ + 5⁹ + 9³ .

It is not a weakly prime, because it can be changed into another prime (2085059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042829 + 1042830.

It is an arithmetic number, because the mean of its divisors is an integer number (1042830).

2^2085659 is an apocalyptic number.

2085659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085659 is an equidigital number, since it uses as much as digits as its factorization.

2085659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2085659 is about 1444.1810828286. The cubic root of 2085659 is about 127.7657458670.

It can be divided in two parts, 2085 and 659, that added together give a cube (2744 = 14³).

The spelling of 2085659 in words is "two million, eighty-five thousand, six hundred fifty-nine".