271345 has 4 divisors (see below), whose sum is σ = 325620. Its totient is φ = 217072.

The previous prime is 271333. The next prime is 271351. The reversal of 271345 is 543172.

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 178929 + 92416 = 423^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 271345 - 2⁷ = 271217 is a prime.

271345 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27130 + ... + 27139.

It is an arithmetic number, because the mean of its divisors is an integer number (81405).

2²⁷¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

271345 is a deficient number, since it is larger than the sum of its proper divisors (54275).

271345 is an equidigital number, since it uses as much as digits as its factorization.

271345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54274.

The product of its digits is 840, while the sum is 22.

The square root of 271345 is about 520.9078613344. The cubic root of 271345 is about 64.7401857488.

It can be divided in two parts, 271 and 345, that added together give a palindrome (616).

The spelling of 271345 in words is "two hundred seventy-one thousand, three hundred forty-five".