24628889 has 2 divisors, whose sum is σ = 24628890. Its totient is φ = 24628888.

The previous prime is 24628871. The next prime is 24628913. The reversal of 24628889 is 98882642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23931664 + 697225 = 4892^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 24628889 - 2¹² = 24624793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24628589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12314444 + 12314445.

It is an arithmetic number, because the mean of its divisors is an integer number (12314445).

Almost surely, 2^24628889 is an apocalyptic number.

It is an amenable number.

24628889 is a deficient number, since it is larger than the sum of its proper divisors (1).

24628889 is an equidigital number, since it uses as much as digits as its factorization.

24628889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 47.

The square root of 24628889 is about 4962.7501448290. The cubic root of 24628889 is about 290.9477081162.

The spelling of 24628889 in words is "twenty-four million, six hundred twenty-eight thousand, eight hundred eighty-nine".