24085 has 4 divisors (see below), whose sum is σ = 28908. Its totient is φ = 19264.

The previous prime is 24083. The next prime is 24091. The reversal of 24085 is 58042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58042 = 2 ⋅29021.

It can be written as a sum of positive squares in 2 ways, for example, as 5041 + 19044 = 71^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 24085 - 2¹ = 24083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24083) 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, 2404 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (7227).

2²⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

24085 is a deficient number, since it is larger than the sum of its proper divisors (4823).

24085 is an equidigital number, since it uses as much as digits as its factorization.

24085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 24085 is about 155.1934276959. The cubic root of 24085 is about 28.8790043983.

It can be divided in two parts, 240 and 85, that added together give a triangular number (325 = T₂₅).

The spelling of 24085 in words is "twenty-four thousand, eighty-five".