24628661 has 2 divisors, whose sum is σ = 24628662. Its totient is φ = 24628660.

The previous prime is 24628649. The next prime is 24628679. The reversal of 24628661 is 16682642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24304900 + 323761 = 4930^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24628661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24628621) 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, 12314330 + 12314331.

It is an arithmetic number, because the mean of its divisors is an integer number (12314331).

Almost surely, 2^24628661 is an apocalyptic number.

It is an amenable number.

24628661 is a deficient number, since it is larger than the sum of its proper divisors (1).

24628661 is an equidigital number, since it uses as much as digits as its factorization.

24628661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 24628661 is about 4962.7271736415. The cubic root of 24628661 is about 290.9468103050.

The spelling of 24628661 in words is "twenty-four million, six hundred twenty-eight thousand, six hundred sixty-one".