24979 has 2 divisors, whose sum is σ = 24980. Its totient is φ = 24978.

The previous prime is 24977. The next prime is 24989. The reversal of 24979 is 97942.

24979 = 62² + 63² + ... + 67².

24979 = 5⁴ + 6⁴ + ... + 10⁴.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24979 - 2¹ = 24977 is a prime.

Together with 24977, it forms a pair of twin primes.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 24979.

It is not a weakly prime, because it can be changed into another prime (24971) 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, 12489 + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (12490).

2²⁴⁹⁷⁹ is an apocalyptic number.

24979 is a deficient number, since it is larger than the sum of its proper divisors (1).

24979 is an equidigital number, since it uses as much as digits as its factorization.

24979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 24979 is about 158.0474612261. The cubic root of 24979 is about 29.2319878390.

The spelling of 24979 in words is "twenty-four thousand, nine hundred seventy-nine".