24001 has 2 divisors, whose sum is σ = 24002. Its totient is φ = 24000.

The previous prime is 23993. The next prime is 24007. The reversal of 24001 is 10042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18225 + 5776 = 135^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 24001 - 2³ = 23993 is a prime.

It is not a weakly prime, because it can be changed into another prime (24007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12000 + 12001.

It is an arithmetic number, because the mean of its divisors is an integer number (12001).

2²⁴⁰⁰¹ is an apocalyptic number.

It is an amenable number.

24001 is a deficient number, since it is larger than the sum of its proper divisors (1).

24001 is an equidigital number, since it uses as much as digits as its factorization.

24001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 24001 is about 154.9225613008. The cubic root of 24001 is about 28.8453920255.

Adding to 24001 its reverse (10042), we get a palindrome (34043).

It can be divided in two parts, 2400 and 1, that added together give a 4-th power (2401 = 7⁴).

The spelling of 24001 in words is "twenty-four thousand, one", and thus it is an iban number.