24448981 has 2 divisors, whose sum is σ = 24448982. Its totient is φ = 24448980.

The previous prime is 24448979. The next prime is 24449017. The reversal of 24448981 is 18984442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 1322500 = 4809^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 24448981 - 2¹ = 24448979 is a prime.

It is a super-3 number, since 3×24448981³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 24448979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24448901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12224490 + 12224491.

It is an arithmetic number, because the mean of its divisors is an integer number (12224491).

Almost surely, 2^24448981 is an apocalyptic number.

It is an amenable number.

24448981 is a deficient number, since it is larger than the sum of its proper divisors (1).

24448981 is an equidigital number, since it uses as much as digits as its factorization.

24448981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 24448981 is about 4944.5910852162. The cubic root of 24448981 is about 290.2375421947.

The spelling of 24448981 in words is "twenty-four million, four hundred forty-eight thousand, nine hundred eighty-one".