42613867 has 2 divisors, whose sum is σ = 42613868. Its totient is φ = 42613866.

The previous prime is 42613859. The next prime is 42613889. The reversal of 42613867 is 76831624.

42613867 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 not a de Polignac number, because 42613867 - 2³ = 42613859 is a prime.

It is not a weakly prime, because it can be changed into another prime (42613567) 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, 21306933 + 21306934.

It is an arithmetic number, because the mean of its divisors is an integer number (21306934).

Almost surely, 2^42613867 is an apocalyptic number.

42613867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42613867 is an equidigital number, since it uses as much as digits as its factorization.

42613867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 42613867 is about 6527.9297637153. The cubic root of 42613867 is about 349.2879865296.

It can be divided in two parts, 4261 and 3867, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 42613867 in words is "forty-two million, six hundred thirteen thousand, eight hundred sixty-seven".