42667319 has 2 divisors, whose sum is σ = 42667320. Its totient is φ = 42667318.

The previous prime is 42667307. The next prime is 42667333. The reversal of 42667319 is 91376624.

42667319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42667319 is a prime.

It is a super-2 number, since 2×42667319² = 3641000221295522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42667519) 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, 21333659 + 21333660.

It is an arithmetic number, because the mean of its divisors is an integer number (21333660).

Almost surely, 2^42667319 is an apocalyptic number.

42667319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42667319 is an equidigital number, since it uses as much as digits as its factorization.

42667319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 42667319 is about 6532.0225811000. The cubic root of 42667319 is about 349.4339667156.

The spelling of 42667319 in words is "forty-two million, six hundred sixty-seven thousand, three hundred nineteen".