24242749 has 2 divisors, whose sum is σ = 24242750. Its totient is φ = 24242748.

The previous prime is 24242719. The next prime is 24242773. The reversal of 24242749 is 94724242.

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., 15657849 + 8584900 = 3957^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 24242749 - 2⁵ = 24242717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24242719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12121374 + 12121375.

It is an arithmetic number, because the mean of its divisors is an integer number (12121375).

Almost surely, 2^24242749 is an apocalyptic number.

It is an amenable number.

24242749 is a deficient number, since it is larger than the sum of its proper divisors (1).

24242749 is an equidigital number, since it uses as much as digits as its factorization.

24242749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 24242749 is about 4923.6926183506. The cubic root of 24242749 is about 289.4191664134.

The spelling of 24242749 in words is "twenty-four million, two hundred forty-two thousand, seven hundred forty-nine".