2585889 has 6 divisors (see below), whose sum is σ = 3735186. Its totient is φ = 1723920.

The previous prime is 2585839. The next prime is 2585899. The reversal of 2585889 is 9885852.

2585889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 225 = 1608^2 + 15^2 .

It is not a de Polignac number, because 2585889 - 2¹³ = 2577697 is a prime.

It is a Curzon number.

2585889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2585839) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 143652 + ... + 143669.

It is an arithmetic number, because the mean of its divisors is an integer number (622531).

2^2585889 is an apocalyptic number.

It is an amenable number.

2585889 is a deficient number, since it is larger than the sum of its proper divisors (1149297).

2585889 is a wasteful number, since it uses less digits than its factorization.

2585889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287327 (or 287324 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2585889 is about 1608.0699611646. The cubic root of 2585889 is about 137.2576712445.

The spelling of 2585889 in words is "two million, five hundred eighty-five thousand, eight hundred eighty-nine".