673271 has 2 divisors, whose sum is σ = 673272. Its totient is φ = 673270.

The previous prime is 673247. The next prime is 673273. The reversal of 673271 is 172376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673271 - 2⁶ = 673207 is a prime.

Together with 673273, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₅₄₅₅₇ and since 673271 and 54557 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336635 + 336636.

It is an arithmetic number, because the mean of its divisors is an integer number (336636).

2⁶⁷³²⁷¹ is an apocalyptic number.

673271 is a deficient number, since it is larger than the sum of its proper divisors (1).

673271 is an equidigital number, since it uses as much as digits as its factorization.

673271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 26.

The square root of 673271 is about 820.5309256817. The cubic root of 673271 is about 87.6455699323.

The spelling of 673271 in words is "six hundred seventy-three thousand, two hundred seventy-one".