42259307 has 2 divisors, whose sum is σ = 42259308. Its totient is φ = 42259306.

The previous prime is 42259289. The next prime is 42259319. The reversal of 42259307 is 70395224.

It is a happy number.

42259307 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 is a cyclic number.

It is not a de Polignac number, because 42259307 - 2⁸ = 42259051 is a prime.

It is not a weakly prime, because it can be changed into another prime (42259387) 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, 21129653 + 21129654.

It is an arithmetic number, because the mean of its divisors is an integer number (21129654).

Almost surely, 2^42259307 is an apocalyptic number.

42259307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42259307 is an equidigital number, since it uses as much as digits as its factorization.

42259307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42259307 is about 6500.7158836547. The cubic root of 42259307 is about 348.3165608299.

The spelling of 42259307 in words is "forty-two million, two hundred fifty-nine thousand, three hundred seven".