24867641 has 2 divisors, whose sum is σ = 24867642. Its totient is φ = 24867640.

The previous prime is 24867629. The next prime is 24867643. The reversal of 24867641 is 14676842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 2019241 = 4780^2 + 1421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24867641 is a prime.

Together with 24867643, 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 = 24867595 and 24867604.

It is not a weakly prime, because it can be changed into another prime (24867643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12433820 + 12433821.

It is an arithmetic number, because the mean of its divisors is an integer number (12433821).

Almost surely, 2^24867641 is an apocalyptic number.

It is an amenable number.

24867641 is a deficient number, since it is larger than the sum of its proper divisors (1).

24867641 is an equidigital number, since it uses as much as digits as its factorization.

24867641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 24867641 is about 4986.7465345654. The cubic root of 24867641 is about 291.8848337043.

The spelling of 24867641 in words is "twenty-four million, eight hundred sixty-seven thousand, six hundred forty-one".