24385 has 4 divisors (see below), whose sum is σ = 29268. Its totient is φ = 19504.

The previous prime is 24379. The next prime is 24391. The reversal of 24385 is 58342.

24385 = T₁₂₆ + T₁₂₇ + T₁₂₈.

24385 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (24379) and next prime (24391).

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 16641 = 88^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 24385 - 2⁹ = 23873 is a prime.

It is a Duffinian number.

24385 is strictly pandigital in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (7317).

24385 is a Friedman number, since it can be written as (58/2)^3-4, using all its digits and the basic arithmetic operations.

2²⁴³⁸⁵ is an apocalyptic number.

24385 is the 128-th centered triangular number.

It is an amenable number.

24385 is a deficient number, since it is larger than the sum of its proper divisors (4883).

24385 is an equidigital number, since it uses as much as digits as its factorization.

24385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882.

The product of its digits is 960, while the sum is 22.

The square root of 24385 is about 156.1569723067. The cubic root of 24385 is about 28.9984144991.

The spelling of 24385 in words is "twenty-four thousand, three hundred eighty-five".