2065745 has 24 divisors (see below), whose sum is σ = 2866752. Its totient is φ = 1416800.

The previous prime is 2065733. The next prime is 2065751. The reversal of 2065745 is 5475602.

It is not a de Polignac number, because 2065745 - 2⁴ = 2065729 is a prime.

It is a d-powerful number, because it can be written as 2³ + 0 + 6⁴ + 5⁷ + 7⁵ + 4⁷ + 5⁹ .

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 29060 + ... + 29130.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2^2065745 is an apocalyptic number.

It is an amenable number.

2065745 is a deficient number, since it is larger than the sum of its proper divisors (801007).

2065745 is a wasteful number, since it uses less digits than its factorization.

2065745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2065745 is about 1437.2699815971. The cubic root of 2065745 is about 127.3578063636.

It can be divided in two parts, 20657 and 45, that added together give a palindrome (20702).

The spelling of 2065745 in words is "two million, sixty-five thousand, seven hundred forty-five".