2585849 has 4 divisors (see below), whose sum is σ = 2955264. Its totient is φ = 2216436.

The previous prime is 2585839. The next prime is 2585899. The reversal of 2585849 is 9485852.

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 a cyclic number.

It is not a de Polignac number, because 2585849 - 2⁴ = 2585833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585839) 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, 184697 + ... + 184710.

It is an arithmetic number, because the mean of its divisors is an integer number (738816).

2^2585849 is an apocalyptic number.

It is an amenable number.

2585849 is a deficient number, since it is larger than the sum of its proper divisors (369415).

2585849 is an equidigital number, since it uses as much as digits as its factorization.

2585849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369414.

The product of its digits is 115200, while the sum is 41.

The square root of 2585849 is about 1608.0575238467. The cubic root of 2585849 is about 137.2569635143.

It can be divided in two parts, 25 and 85849, that multiplied together give a square (2146225 = 1465²).

The spelling of 2585849 in words is "two million, five hundred eighty-five thousand, eight hundred forty-nine".