271361 has 4 divisors (see below), whose sum is σ = 274500. Its totient is φ = 268224.

The previous prime is 271357. The next prime is 271363. The reversal of 271361 is 163172.

It is a happy number.

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 40000 + 231361 = 200^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 271361 - 2² = 271357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 271361.

It is not an unprimeable number, because it can be changed into a prime (271363) 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, 1436 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

It is a Proth number, since it is equal to 265 ⋅ 2¹⁰ + 1 and 265 < 2¹⁰.

2²⁷¹³⁶¹ is an apocalyptic number.

It is an amenable number.

271361 is a deficient number, since it is larger than the sum of its proper divisors (3139).

271361 is an equidigital number, since it uses as much as digits as its factorization.

271361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138.

The product of its digits is 252, while the sum is 20.

The square root of 271361 is about 520.9232189104. The cubic root of 271361 is about 64.7414582035.

The spelling of 271361 in words is "two hundred seventy-one thousand, three hundred sixty-one".