235585 has 16 divisors (see below), whose sum is σ = 331776. Its totient is φ = 157248.

The previous prime is 235577. The next prime is 235591. The reversal of 235585 is 585532.

It is not a de Polignac number, because 235585 - 2³ = 235577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (20736).

2²³⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

235585 is a deficient number, since it is larger than the sum of its proper divisors (96191).

235585 is a wasteful number, since it uses less digits than its factorization.

235585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its digits is 6000, while the sum is 28.

The square root of 235585 is about 485.3709921287. The cubic root of 235585 is about 61.7612217144.

It can be divided in two parts, 235 and 585, that added together give a triangular number (820 = T₄₀).

The spelling of 235585 in words is "two hundred thirty-five thousand, five hundred eighty-five".