271979 has 4 divisors (see below), whose sum is σ = 273480. Its totient is φ = 270480.

The previous prime is 271969. The next prime is 271981. The reversal of 271979 is 979172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 271979 - 2⁸ = 271723 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 15.

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 3 ways as a sum of consecutive naturals, for example, 434 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (68370).

2²⁷¹⁹⁷⁹ is an apocalyptic number.

271979 is a deficient number, since it is larger than the sum of its proper divisors (1501).

271979 is a wasteful number, since it uses less digits than its factorization.

271979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its digits is 7938, while the sum is 35.

The square root of 271979 is about 521.5160591966. The cubic root of 271979 is about 64.7905685354.

The spelling of 271979 in words is "two hundred seventy-one thousand, nine hundred seventy-nine".