2065589 has 4 divisors (see below), whose sum is σ = 2073324. Its totient is φ = 2057856.

The previous prime is 2065579. The next prime is 2065597. The reversal of 2065589 is 9855602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9855602 = 2 ⋅4927801.

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 1582564 = 695^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065589 - 2⁴ = 2065573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (518331).

2^2065589 is an apocalyptic number.

It is an amenable number.

2065589 is a deficient number, since it is larger than the sum of its proper divisors (7735).

2065589 is an equidigital number, since it uses as much as digits as its factorization.

2065589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2065589 is about 1437.2157110191. The cubic root of 2065589 is about 127.3546003664.

The spelling of 2065589 in words is "two million, sixty-five thousand, five hundred eighty-nine".