673313 has 2 divisors, whose sum is σ = 673314. Its totient is φ = 673312.

The previous prime is 673297. The next prime is 673327. The reversal of 673313 is 313376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 20449 = 808^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 673313 - 2⁴ = 673297 is a prime.

It is not a weakly prime, because it can be changed into another prime (673513) 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, 336656 + 336657.

It is an arithmetic number, because the mean of its divisors is an integer number (336657).

2⁶⁷³³¹³ is an apocalyptic number.

It is an amenable number.

673313 is a deficient number, since it is larger than the sum of its proper divisors (1).

673313 is an equidigital number, since it uses as much as digits as its factorization.

673313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 23.

The square root of 673313 is about 820.5565184678. The cubic root of 673313 is about 87.6473923967.

Adding to 673313 its reverse (313376), we get a palindrome (986689).

The spelling of 673313 in words is "six hundred seventy-three thousand, three hundred thirteen".