2045065 has 24 divisors (see below), whose sum is σ = 2852928. Its totient is φ = 1395360.

The previous prime is 2045053. The next prime is 2045077. The reversal of 2045065 is 5605402.

It is an interprime number because it is at equal distance from previous prime (2045053) and next prime (2045077).

It is not a de Polignac number, because 2045065 - 2⁷ = 2044937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 8.

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 23 ways as a sum of consecutive naturals, for example, 19804 + ... + 19906.

It is an arithmetic number, because the mean of its divisors is an integer number (118872).

2^2045065 is an apocalyptic number.

It is an amenable number.

2045065 is a deficient number, since it is larger than the sum of its proper divisors (807863).

2045065 is a wasteful number, since it uses less digits than its factorization.

2045065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2045065 is about 1430.0576911440. The cubic root of 2045065 is about 126.9313908048.

The spelling of 2045065 in words is "two million, forty-five thousand, sixty-five".