24641 has 4 divisors (see below), whose sum is σ = 25284. Its totient is φ = 24000.

The previous prime is 24631. The next prime is 24659. The reversal of 24641 is 14642.

24641 = 10⁴ + 11⁴.

24641 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14642 = 2 ⋅7321.

It can be written as a sum of positive squares in 2 ways, for example, as 10000 + 14641 = 100^2 + 121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24611) 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, 260 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (6321).

2²⁴⁶⁴¹ is an apocalyptic number.

It is an amenable number.

24641 is a deficient number, since it is larger than the sum of its proper divisors (643).

24641 is an equidigital number, since it uses as much as digits as its factorization.

24641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 192, while the sum is 17.

The square root of 24641 is about 156.9745202254. The cubic root of 24641 is about 29.0995390471.

Subtracting from 24641 its reverse (14642), we obtain a palindrome (9999).

The spelling of 24641 in words is "twenty-four thousand, six hundred forty-one".