24661361 has 2 divisors, whose sum is σ = 24661362. Its totient is φ = 24661360.

The previous prime is 24661349. The next prime is 24661363. The reversal of 24661361 is 16316642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 6760000 = 4231^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 24661361 - 2¹⁸ = 24399217 is a prime.

It is a Sophie Germain prime.

Together with 24661363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24661363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12330680 + 12330681.

It is an arithmetic number, because the mean of its divisors is an integer number (12330681).

Almost surely, 2^24661361 is an apocalyptic number.

It is an amenable number.

24661361 is a deficient number, since it is larger than the sum of its proper divisors (1).

24661361 is an equidigital number, since it uses as much as digits as its factorization.

24661361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 24661361 is about 4966.0206403115. The cubic root of 24661361 is about 291.0755187932.

The spelling of 24661361 in words is "twenty-four million, six hundred sixty-one thousand, three hundred sixty-one".