42067913 has 2 divisors, whose sum is σ = 42067914. Its totient is φ = 42067912.

The previous prime is 42067873. The next prime is 42067931. The reversal of 42067913 is 31976024.

42067913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (42067931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 5004169 = 6088^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 42067913 - 2¹² = 42063817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42067913.

It is not a weakly prime, because it can be changed into another prime (42067013) 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, 21033956 + 21033957.

It is an arithmetic number, because the mean of its divisors is an integer number (21033957).

Almost surely, 2^42067913 is an apocalyptic number.

It is an amenable number.

42067913 is a deficient number, since it is larger than the sum of its proper divisors (1).

42067913 is an equidigital number, since it uses as much as digits as its factorization.

42067913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 42067913 is about 6485.9781837438. The cubic root of 42067913 is about 347.7899186738.

The spelling of 42067913 in words is "forty-two million, sixty-seven thousand, nine hundred thirteen".