671043067 has 2 divisors, whose sum is σ = 671043068. Its totient is φ = 671043066.

The previous prime is 671043053. The next prime is 671043071. The reversal of 671043067 is 760340176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671043067 - 2²⁷ = 536825339 is a prime.

It is not a weakly prime, because it can be changed into another prime (671043047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335521533 + 335521534.

It is an arithmetic number, because the mean of its divisors is an integer number (335521534).

Almost surely, 2^671043067 is an apocalyptic number.

671043067 is a deficient number, since it is larger than the sum of its proper divisors (1).

671043067 is an equidigital number, since it uses as much as digits as its factorization.

671043067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 671043067 is about 25904.4989721863. The cubic root of 671043067 is about 875.4878659480.

The spelling of 671043067 in words is "six hundred seventy-one million, forty-three thousand, sixty-seven".