671370041 has 2 divisors, whose sum is σ = 671370042. Its totient is φ = 671370040.

The previous prime is 671370019. The next prime is 671370047. The reversal of 671370041 is 140073176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346108816 + 325261225 = 18604^2 + 18035^2 .

It is a cyclic number.

It is not a de Polignac number, because 671370041 - 2¹⁸ = 671107897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 671369986 and 671370013.

It is not a weakly prime, because it can be changed into another prime (671370047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335685020 + 335685021.

It is an arithmetic number, because the mean of its divisors is an integer number (335685021).

Almost surely, 2^671370041 is an apocalyptic number.

It is an amenable number.

671370041 is a deficient number, since it is larger than the sum of its proper divisors (1).

671370041 is an equidigital number, since it uses as much as digits as its factorization.

671370041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 671370041 is about 25910.8093466800. The cubic root of 671370041 is about 875.6300402739.

The spelling of 671370041 in words is "six hundred seventy-one million, three hundred seventy thousand, forty-one".