671351 has 6 divisors (see below), whose sum is σ = 687120. Its totient is φ = 655928.

The previous prime is 671339. The next prime is 671353. The reversal of 671351 is 153176.

It is not a de Polignac number, because 671351 - 2⁶ = 671287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2690 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (114520).

2⁶⁷¹³⁵¹ is an apocalyptic number.

671351 is a deficient number, since it is larger than the sum of its proper divisors (15769).

671351 is an equidigital number, since it uses as much as digits as its factorization.

671351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 292 counting only the distinct ones).

The product of its digits is 630, while the sum is 23.

The square root of 671351 is about 819.3601161882. The cubic root of 671351 is about 87.5621762162.

The spelling of 671351 in words is "six hundred seventy-one thousand, three hundred fifty-one".