2065799 has 2 divisors, whose sum is σ = 2065800. Its totient is φ = 2065798.

The previous prime is 2065769. The next prime is 2065801. The reversal of 2065799 is 9975602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065799 is a prime.

It is a Sophie Germain prime.

Together with 2065801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032899 + 1032900.

It is an arithmetic number, because the mean of its divisors is an integer number (1032900).

2^2065799 is an apocalyptic number.

2065799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065799 is an equidigital number, since it uses as much as digits as its factorization.

2065799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2065799 is about 1437.2887670889. The cubic root of 2065799 is about 127.3589160943.

The spelling of 2065799 in words is "two million, sixty-five thousand, seven hundred ninety-nine".