24427 has 4 divisors (see below), whose sum is σ = 26320. Its totient is φ = 22536.

The previous prime is 24421. The next prime is 24439. The reversal of 24427 is 72442.

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

It is a cyclic number.

It is not a de Polignac number, because 24427 - 2³ = 24419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (6580).

2²⁴⁴²⁷ is an apocalyptic number.

24427 is a deficient number, since it is larger than the sum of its proper divisors (1893).

24427 is a wasteful number, since it uses less digits than its factorization.

24427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its digits is 448, while the sum is 19.

The square root of 24427 is about 156.2913945168. The cubic root of 24427 is about 29.0150536193.

Adding to 24427 its reverse (72442), we get a palindrome (96869).

The spelling of 24427 in words is "twenty-four thousand, four hundred twenty-seven", and thus it is an iban number.