271009 has 4 divisors (see below), whose sum is σ = 282816. Its totient is φ = 259204.

The previous prime is 271003. The next prime is 271013. The reversal of 271009 is 900172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5869 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (70704).

2²⁷¹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

271009 is a deficient number, since it is larger than the sum of its proper divisors (11807).

271009 is a wasteful number, since it uses less digits than its factorization.

271009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11806.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 271009 is about 520.5852475820. The cubic root of 271009 is about 64.7134526388.

The spelling of 271009 in words is "two hundred seventy-one thousand, nine".