24859 has 2 divisors, whose sum is σ = 24860. Its totient is φ = 24858.

The previous prime is 24851. The next prime is 24877. The reversal of 24859 is 95842.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24859 - 2³ = 24851 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (24851) 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 as a sum of consecutive naturals, namely, 12429 + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (12430).

2²⁴⁸⁵⁹ is an apocalyptic number.

24859 is a deficient number, since it is larger than the sum of its proper divisors (1).

24859 is an equidigital number, since it uses as much as digits as its factorization.

24859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 24859 is about 157.6673713867. The cubic root of 24859 is about 29.1851021771.

The spelling of 24859 in words is "twenty-four thousand, eight hundred fifty-nine".