271540 has 12 divisors (see below), whose sum is σ = 570276. Its totient is φ = 108608.

The previous prime is 271517. The next prime is 271549. The reversal of 271540 is 45172.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 76176 = 442^2 + 276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271549) 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, 6769 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (47523).

2²⁷¹⁵⁴⁰ is an apocalyptic number.

271540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271540 is an abundant number, since it is smaller than the sum of its proper divisors (298736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271540 is a wasteful number, since it uses less digits than its factorization.

271540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586 (or 13584 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 271540 is about 521.0950009355. The cubic root of 271540 is about 64.7556903811.

The spelling of 271540 in words is "two hundred seventy-one thousand, five hundred forty".