2805065 has 8 divisors (see below), whose sum is σ = 3543360. Its totient is φ = 2125872.

The previous prime is 2805043. The next prime is 2805071. The reversal of 2805065 is 5605082.

2805065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2805065 - 2⁶ = 2805001 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14669 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (442920).

2^2805065 is an apocalyptic number.

It is an amenable number.

2805065 is a deficient number, since it is larger than the sum of its proper divisors (738295).

2805065 is a wasteful number, since it uses less digits than its factorization.

2805065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29551.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2805065 is about 1674.8328274786. The cubic root of 2805065 is about 141.0309105144.

The spelling of 2805065 in words is "two million, eight hundred five thousand, sixty-five".