673333313 has 2 divisors, whose sum is σ = 673333314. Its totient is φ = 673333312.

The previous prime is 673333307. The next prime is 673333321. The reversal of 673333313 is 313333376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636451984 + 36881329 = 25228^2 + 6073^2 .

It is a cyclic number.

It is not a de Polignac number, because 673333313 - 2⁶ = 673333249 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673333313.

It is not a weakly prime, because it can be changed into another prime (673333013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336666656 + 336666657.

It is an arithmetic number, because the mean of its divisors is an integer number (336666657).

Almost surely, 2^673333313 is an apocalyptic number.

It is an amenable number.

673333313 is a deficient number, since it is larger than the sum of its proper divisors (1).

673333313 is an equidigital number, since it uses as much as digits as its factorization.

673333313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 32.

The square root of 673333313 is about 25948.6668829056. Note that the first 3 decimals coincide. The cubic root of 673333313 is about 876.4827379143.

Adding to 673333313 its reverse (313333376), we get a palindrome (986666689).

The spelling of 673333313 in words is "six hundred seventy-three million, three hundred thirty-three thousand, three hundred thirteen".