671700313 has 2 divisors, whose sum is σ = 671700314. Its totient is φ = 671700312.

The previous prime is 671700301. The next prime is 671700319. The reversal of 671700313 is 313007176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373378329 + 298321984 = 19323^2 + 17272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671700313 is a prime.

It is not a weakly prime, because it can be changed into another prime (671700319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335850156 + 335850157.

It is an arithmetic number, because the mean of its divisors is an integer number (335850157).

Almost surely, 2^671700313 is an apocalyptic number.

It is an amenable number.

671700313 is a deficient number, since it is larger than the sum of its proper divisors (1).

671700313 is an equidigital number, since it uses as much as digits as its factorization.

671700313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 671700313 is about 25917.1818105287. The cubic root of 671700313 is about 875.7736017765.

Adding to 671700313 its reverse (313007176), we get a palindrome (984707489).

The spelling of 671700313 in words is "six hundred seventy-one million, seven hundred thousand, three hundred thirteen".