42046307 has 2 divisors, whose sum is σ = 42046308. Its totient is φ = 42046306.

The previous prime is 42046289. The next prime is 42046309. The reversal of 42046307 is 70364024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42046307 - 2¹² = 42042211 is a prime.

Together with 42046309, 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 (42046309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21023153 + 21023154.

It is an arithmetic number, because the mean of its divisors is an integer number (21023154).

Almost surely, 2^42046307 is an apocalyptic number.

42046307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42046307 is an equidigital number, since it uses as much as digits as its factorization.

42046307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 42046307 is about 6484.3123768060. The cubic root of 42046307 is about 347.7303670641.

The spelling of 42046307 in words is "forty-two million, forty-six thousand, three hundred seven".