2065804085 has 8 divisors (see below), whose sum is σ = 2479454880. Its totient is φ = 1652316624.

The previous prime is 2065804073. The next prime is 2065804123. The reversal of 2065804085 is 5804085602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2065804085 - 2⁸ = 2065803829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11027 + ... + 65216.

It is an arithmetic number, because the mean of its divisors is an integer number (309931860).

Almost surely, 2^2065804085 is an apocalyptic number.

It is an amenable number.

2065804085 is a deficient number, since it is larger than the sum of its proper divisors (413650795).

2065804085 is an equidigital number, since it uses as much as digits as its factorization.

2065804085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81667.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2065804085 is about 45451.1175330156. The cubic root of 2065804085 is about 1273.5902059291.

Adding to 2065804085 its reverse (5804085602), we get a palindrome (7869889687).

The spelling of 2065804085 in words is "two billion, sixty-five million, eight hundred four thousand, eighty-five".