671282271 has 12 divisors (see below), whose sum is σ = 1057778280. Its totient is φ = 406837680.

The previous prime is 671282267. The next prime is 671282309. The reversal of 671282271 is 172282176.

It is not a de Polignac number, because 671282271 - 2² = 671282267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671282221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3390216 + ... + 3390413.

It is an arithmetic number, because the mean of its divisors is an integer number (88148190).

Almost surely, 2^671282271 is an apocalyptic number.

671282271 is a deficient number, since it is larger than the sum of its proper divisors (386496009).

671282271 is a wasteful number, since it uses less digits than its factorization.

671282271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780646 (or 6780643 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 671282271 is about 25909.1155966390. The cubic root of 671282271 is about 875.5918807924.

The spelling of 671282271 in words is "six hundred seventy-one million, two hundred eighty-two thousand, two hundred seventy-one".