271641 has 4 divisors (see below), whose sum is σ = 362192. Its totient is φ = 181092.

The previous prime is 271639. The next prime is 271651. The reversal of 271641 is 146172.

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 not a de Polignac number, because 271641 - 2¹ = 271639 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 7 + 6⁴ + 1 + 4⁹ + 1 .

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (271651) 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, 45271 + ... + 45276.

It is an arithmetic number, because the mean of its divisors is an integer number (90548).

2²⁷¹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

271641 is a deficient number, since it is larger than the sum of its proper divisors (90551).

271641 is an equidigital number, since it uses as much as digits as its factorization.

271641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90550.

The product of its digits is 336, while the sum is 21.

The square root of 271641 is about 521.1919032372. The cubic root of 271641 is about 64.7637180676.

The spelling of 271641 in words is "two hundred seventy-one thousand, six hundred forty-one".