24109 has 2 divisors, whose sum is σ = 24110. Its totient is φ = 24108.

The previous prime is 24107. The next prime is 24113. The reversal of 24109 is 90142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21609 + 2500 = 147^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 24109 - 2¹ = 24107 is a prime.

Together with 24107, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 24092 and 24101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12054 + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (12055).

2²⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

24109 is a deficient number, since it is larger than the sum of its proper divisors (1).

24109 is an equidigital number, since it uses as much as digits as its factorization.

24109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 24109 is about 155.2707313050. The cubic root of 24109 is about 28.8885935758. Note that the first 3 decimals are identical.

The spelling of 24109 in words is "twenty-four thousand, one hundred nine".