2585755 has 4 divisors (see below), whose sum is σ = 3102912. Its totient is φ = 2068600.

The previous prime is 2585743. The next prime is 2585777. The reversal of 2585755 is 5575852.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2585755 - 2⁹ = 2585243 is a prime.

It is a super-2 number, since 2×2585755² = 13372257840050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 5³ + 8⁴ + 5⁶ + 7 + 5⁷ + 5⁸ .

It is a Duffinian number.

2585755 is a lucky number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 258571 + ... + 258580.

It is an arithmetic number, because the mean of its divisors is an integer number (775728).

2^2585755 is an apocalyptic number.

2585755 is a deficient number, since it is larger than the sum of its proper divisors (517157).

2585755 is an equidigital number, since it uses as much as digits as its factorization.

2585755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517156.

The product of its digits is 70000, while the sum is 37.

The square root of 2585755 is about 1608.0282957709. The cubic root of 2585755 is about 137.2553003196.

The spelling of 2585755 in words is "two million, five hundred eighty-five thousand, seven hundred fifty-five".