2585539 has 16 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 2185920.

The previous prime is 2585521. The next prime is 2585549. The reversal of 2585539 is 9355852.

It is not a de Polignac number, because 2585539 - 2⁵ = 2585507 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁵ + 8 + 5⁷ + 5⁹ + 3⁹ + 9⁶ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2585498 and 2585507.

It is not an unprimeable number, because it can be changed into a prime (2585509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18532 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^2585539 is an apocalyptic number.

2585539 is a deficient number, since it is larger than the sum of its proper divisors (438461).

2585539 is a wasteful number, since it uses less digits than its factorization.

2585539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its digits is 54000, while the sum is 37.

The square root of 2585539 is about 1607.9611313710. The cubic root of 2585539 is about 137.2514783578.

The spelling of 2585539 in words is "two million, five hundred eighty-five thousand, five hundred thirty-nine".