2065945 has 16 divisors (see below), whose sum is σ = 2878848. Its totient is φ = 1393920.

The previous prime is 2065937. The next prime is 2065961. The reversal of 2065945 is 5495602.

It is not a de Polignac number, because 2065945 - 2³ = 2065937 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1905 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^2065945 is an apocalyptic number.

It is an amenable number.

2065945 is a deficient number, since it is larger than the sum of its proper divisors (812903).

2065945 is an equidigital number, since it uses as much as digits as its factorization.

2065945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2065945 is about 1437.3395562636. The cubic root of 2065945 is about 127.3619163803.

The spelling of 2065945 in words is "two million, sixty-five thousand, nine hundred forty-five".