24655 has 4 divisors (see below), whose sum is σ = 29592. Its totient is φ = 19720.

The previous prime is 24631. The next prime is 24659. The reversal of 24655 is 55642.

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

It is not a de Polignac number, because 24655 - 2⁵ = 24623 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (7398).

2²⁴⁶⁵⁵ is an apocalyptic number.

24655 is a deficient number, since it is larger than the sum of its proper divisors (4937).

24655 is an equidigital number, since it uses as much as digits as its factorization.

24655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936.

The product of its digits is 1200, while the sum is 22.

The square root of 24655 is about 157.0191071176. The cubic root of 24655 is about 29.1050490564.

It can be divided in two parts, 246 and 55, that multiplied together give a triangular number (13530 = T₁₆₄).

The spelling of 24655 in words is "twenty-four thousand, six hundred fifty-five".