24642089 has 2 divisors, whose sum is σ = 24642090. Its totient is φ = 24642088.

The previous prime is 24642073. The next prime is 24642097. The reversal of 24642089 is 98024642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 1525225 = 4808^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 24642089 - 2⁴ = 24642073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24642049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12321044 + 12321045.

It is an arithmetic number, because the mean of its divisors is an integer number (12321045).

Almost surely, 2^24642089 is an apocalyptic number.

It is an amenable number.

24642089 is a deficient number, since it is larger than the sum of its proper divisors (1).

24642089 is an equidigital number, since it uses as much as digits as its factorization.

24642089 is an odious number, because the sum of its binary digits is odd.

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

The square root of 24642089 is about 4964.0798744581. The cubic root of 24642089 is about 290.9996772196. Note that the first 3 decimals are identical.

The spelling of 24642089 in words is "twenty-four million, six hundred forty-two thousand, eighty-nine".