673291 has 2 divisors, whose sum is σ = 673292. Its totient is φ = 673290.

The previous prime is 673273. The next prime is 673297. The reversal of 673291 is 192376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673291 - 2⁹ = 672779 is a prime.

It is equal to p₅₄₅₅₉ and since 673291 and 54559 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (673297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336645 + 336646.

It is an arithmetic number, because the mean of its divisors is an integer number (336646).

2⁶⁷³²⁹¹ is an apocalyptic number.

673291 is a deficient number, since it is larger than the sum of its proper divisors (1).

673291 is an equidigital number, since it uses as much as digits as its factorization.

673291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 673291 is about 820.5431128222. The cubic root of 673291 is about 87.6464377819.

The spelling of 673291 in words is "six hundred seventy-three thousand, two hundred ninety-one".