271949 has 6 divisors (see below), whose sum is σ = 289194. Its totient is φ = 255680.

The previous prime is 271939. The next prime is 271967. The reversal of 271949 is 949172.

It can be written as a sum of positive squares in 3 ways, for example, as 126025 + 145924 = 355^2 + 382^2 .

It is not a de Polignac number, because 271949 - 2⁸ = 271693 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182 + ... + 759.

It is an arithmetic number, because the mean of its divisors is an integer number (48199).

2²⁷¹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

271949 is a deficient number, since it is larger than the sum of its proper divisors (17245).

271949 is an equidigital number, since it uses as much as digits as its factorization.

271949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 958 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 271949 is about 521.4872961061. The cubic root of 271949 is about 64.7881862577.

The spelling of 271949 in words is "two hundred seventy-one thousand, nine hundred forty-nine".