42967213 has 2 divisors, whose sum is σ = 42967214. Its totient is φ = 42967212.

The previous prime is 42967207. The next prime is 42967229. The reversal of 42967213 is 31276924.

42967213 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 can be written as a sum of positive squares in only one way, i.e., 31393609 + 11573604 = 5603^2 + 3402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42967213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42967273) 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, 21483606 + 21483607.

It is an arithmetic number, because the mean of its divisors is an integer number (21483607).

Almost surely, 2^42967213 is an apocalyptic number.

It is an amenable number.

42967213 is a deficient number, since it is larger than the sum of its proper divisors (1).

42967213 is an equidigital number, since it uses as much as digits as its factorization.

42967213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 42967213 is about 6554.9380622551. The cubic root of 42967213 is about 350.2507400548.

The spelling of 42967213 in words is "forty-two million, nine hundred sixty-seven thousand, two hundred thirteen".