24917 has 2 divisors, whose sum is σ = 24918. Its totient is φ = 24916.

The previous prime is 24907. The next prime is 24919. The reversal of 24917 is 71942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22801 + 2116 = 151^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 24917 - 2¹⁰ = 23893 is a prime.

Together with 24919, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 24892 and 24901.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 24917.

It is not a weakly prime, because it can be changed into another prime (24919) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12458 + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (12459).

2²⁴⁹¹⁷ is an apocalyptic number.

It is an amenable number.

24917 is a deficient number, since it is larger than the sum of its proper divisors (1).

24917 is an equidigital number, since it uses as much as digits as its factorization.

24917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 24917 is about 157.8511957509. The cubic root of 24917 is about 29.2077823755.

The spelling of 24917 in words is "twenty-four thousand, nine hundred seventeen".