2585258 has 16 divisors (see below), whose sum is σ = 4422600. Its totient is φ = 1122816.

The previous prime is 2585251. The next prime is 2585267. The reversal of 2585258 is 8525852.

It can be written as a sum of positive squares in 4 ways, for example, as 1940449 + 644809 = 1393^2 + 803^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2585251) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483 + ... + 3366.

2^2585258 is an apocalyptic number.

2585258 is a deficient number, since it is larger than the sum of its proper divisors (1837342).

2585258 is a wasteful number, since it uses less digits than its factorization.

2585258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its digits is 32000, while the sum is 35.

The square root of 2585258 is about 1607.8737512628. The cubic root of 2585258 is about 137.2465059501.

The spelling of 2585258 in words is "two million, five hundred eighty-five thousand, two hundred fifty-eight".