671365067 has 2 divisors, whose sum is σ = 671365068. Its totient is φ = 671365066.

The previous prime is 671365049. The next prime is 671365081. The reversal of 671365067 is 760563176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671365067 - 2¹⁸ = 671102923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (671365267) 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, 335682533 + 335682534.

It is an arithmetic number, because the mean of its divisors is an integer number (335682534).

Almost surely, 2^671365067 is an apocalyptic number.

671365067 is a deficient number, since it is larger than the sum of its proper divisors (1).

671365067 is an equidigital number, since it uses as much as digits as its factorization.

671365067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 671365067 is about 25910.7133633947. The cubic root of 671365067 is about 875.6278778328.

The spelling of 671365067 in words is "six hundred seventy-one million, three hundred sixty-five thousand, sixty-seven".