271697 has 4 divisors (see below), whose sum is σ = 274596. Its totient is φ = 268800.

The previous prime is 271693. The next prime is 271703. The reversal of 271697 is 796172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 141376 = 361^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 271697 - 2² = 271693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271693) 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 in 3 ways as a sum of consecutive naturals, for example, 1304 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (68649).

2²⁷¹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

271697 is a deficient number, since it is larger than the sum of its proper divisors (2899).

271697 is an equidigital number, since it uses as much as digits as its factorization.

271697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its digits is 5292, while the sum is 32.

The square root of 271697 is about 521.2456234828. The cubic root of 271697 is about 64.7681682046.

The spelling of 271697 in words is "two hundred seventy-one thousand, six hundred ninety-seven".