2005799 has 2 divisors, whose sum is σ = 2005800. Its totient is φ = 2005798.

The previous prime is 2005789. The next prime is 2005831. The reversal of 2005799 is 9975002.

It is an a-pointer prime, because the next prime (2005831) can be obtained adding 2005799 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005799 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 (2005739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002899 + 1002900.

It is an arithmetic number, because the mean of its divisors is an integer number (1002900).

2^2005799 is an apocalyptic number.

2005799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005799 is an equidigital number, since it uses as much as digits as its factorization.

2005799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2005799 is about 1416.2623344564. The cubic root of 2005799 is about 126.1137588561.

The spelling of 2005799 in words is "two million, five thousand, seven hundred ninety-nine".