671370113 has 2 divisors, whose sum is σ = 671370114. Its totient is φ = 671370112.

The previous prime is 671370079. The next prime is 671370169. The reversal of 671370113 is 311073176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670188544 + 1181569 = 25888^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 671370113 - 2¹⁶ = 671304577 is a prime.

It is not a weakly prime, because it can be changed into another prime (671370173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335685056 + 335685057.

It is an arithmetic number, because the mean of its divisors is an integer number (335685057).

Almost surely, 2^671370113 is an apocalyptic number.

It is an amenable number.

671370113 is a deficient number, since it is larger than the sum of its proper divisors (1).

671370113 is an equidigital number, since it uses as much as digits as its factorization.

671370113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 671370113 is about 25910.8107360615. The cubic root of 671370113 is about 875.6300715758.

The spelling of 671370113 in words is "six hundred seventy-one million, three hundred seventy thousand, one hundred thirteen".