265271 has 2 divisors, whose sum is σ = 265272. Its totient is φ = 265270.

The previous prime is 265261. The next prime is 265273. The reversal of 265271 is 172562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265271 - 2⁶ = 265207 is a prime.

Together with 265273, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁶ + 6² + 2¹⁸ + 5⁴ + 7⁴ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132635 + 132636.

It is an arithmetic number, because the mean of its divisors is an integer number (132636).

2²⁶⁵²⁷¹ is an apocalyptic number.

265271 is a deficient number, since it is larger than the sum of its proper divisors (1).

265271 is an equidigital number, since it uses as much as digits as its factorization.

265271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 265271 is about 515.0446582579. The cubic root of 265271 is about 64.2534707205.

The spelling of 265271 in words is "two hundred sixty-five thousand, two hundred seventy-one".