2105589 has 4 divisors (see below), whose sum is σ = 2807456. Its totient is φ = 1403724.

The previous prime is 2105567. The next prime is 2105591. The reversal of 2105589 is 9855012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2105589 - 2⁵ = 2105557 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105549) 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, 350929 + ... + 350934.

It is an arithmetic number, because the mean of its divisors is an integer number (701864).

2^2105589 is an apocalyptic number.

It is an amenable number.

2105589 is a deficient number, since it is larger than the sum of its proper divisors (701867).

2105589 is an equidigital number, since it uses as much as digits as its factorization.

2105589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701866.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2105589 is about 1451.0647814622. The cubic root of 2105589 is about 128.1714215290.

The spelling of 2105589 in words is "two million, one hundred five thousand, five hundred eighty-nine".