271951 has 4 divisors (see below), whose sum is σ = 273904. Its totient is φ = 270000.

The previous prime is 271939. The next prime is 271967. The reversal of 271951 is 159172.

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

It is a 4-Lehmer number, since φ(271951) divides (271951-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 271951 - 2⁵ = 271919 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271981) 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, 750 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (68476).

It is a Poulet number, since it divides 2²⁷¹⁹⁵⁰-1.

2²⁷¹⁹⁵¹ is an apocalyptic number.

271951 is a deficient number, since it is larger than the sum of its proper divisors (1953).

271951 is a wasteful number, since it uses less digits than its factorization.

271951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952.

The product of its digits is 630, while the sum is 25.

The square root of 271951 is about 521.4892136948. The cubic root of 271951 is about 64.7883450816.

The spelling of 271951 in words is "two hundred seventy-one thousand, nine hundred fifty-one".