24894889 has 2 divisors, whose sum is σ = 24894890. Its totient is φ = 24894888.

The previous prime is 24894887. The next prime is 24894907. The reversal of 24894889 is 98849842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 1420864 = 4845^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 24894889 - 2¹ = 24894887 is a prime.

Together with 24894887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (24894887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12447444 + 12447445.

It is an arithmetic number, because the mean of its divisors is an integer number (12447445).

Almost surely, 2^24894889 is an apocalyptic number.

It is an amenable number.

24894889 is a deficient number, since it is larger than the sum of its proper divisors (1).

24894889 is an equidigital number, since it uses as much as digits as its factorization.

24894889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 52.

The square root of 24894889 is about 4989.4778283905. The cubic root of 24894889 is about 291.9914029182.

The spelling of 24894889 in words is "twenty-four million, eight hundred ninety-four thousand, eight hundred eighty-nine".