42333089 has 2 divisors, whose sum is σ = 42333090. Its totient is φ = 42333088.

The previous prime is 42333059. The next prime is 42333091. The reversal of 42333089 is 98033324.

It is a happy number.

42333089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 12902464 = 5425^2 + 3592^2 .

It is a cyclic number.

It is not a de Polignac number, because 42333089 - 2⁸ = 42332833 is a prime.

Together with 42333091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42333029) 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, 21166544 + 21166545.

It is an arithmetic number, because the mean of its divisors is an integer number (21166545).

Almost surely, 2^42333089 is an apocalyptic number.

It is an amenable number.

42333089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42333089 is an equidigital number, since it uses as much as digits as its factorization.

42333089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 42333089 is about 6506.3883222568. The cubic root of 42333089 is about 348.5191556527.

The spelling of 42333089 in words is "forty-two million, three hundred thirty-three thousand, eighty-nine".