2589209 has 12 divisors (see below), whose sum is σ = 3071844. Its totient is φ = 2175264.

The previous prime is 2589203. The next prime is 2589217. The reversal of 2589209 is 9029852.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 529984 = 1435^2 + 728^2 .

It is not a de Polignac number, because 2589209 - 2⁴ = 2589193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2589203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (255987).

2^2589209 is an apocalyptic number.

It is an amenable number.

2589209 is a deficient number, since it is larger than the sum of its proper divisors (482635).

2589209 is an equidigital number, since it uses as much as digits as its factorization.

2589209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2589209 is about 1609.1019234343. The cubic root of 2589209 is about 137.3163874264.

The spelling of 2589209 in words is "two million, five hundred eighty-nine thousand, two hundred nine".