24813 has 8 divisors (see below), whose sum is σ = 36800. Its totient is φ = 16524.

The previous prime is 24809. The next prime is 24821. The reversal of 24813 is 31842.

It is a happy number.

24813 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 24813 - 2² = 24809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (4600).

2²⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

24813 is a deficient number, since it is larger than the sum of its proper divisors (11987).

24813 is an equidigital number, since it uses as much as digits as its factorization.

24813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 922 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 24813 is about 157.5214271139. The cubic root of 24813 is about 29.1670893363.

The spelling of 24813 in words is "twenty-four thousand, eight hundred thirteen".