265711 has 2 divisors, whose sum is σ = 265712. Its totient is φ = 265710.

The previous prime is 265709. The next prime is 265717. The reversal of 265711 is 117562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265711 - 2¹ = 265709 is a prime.

Together with 265709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132855 + 132856.

It is an arithmetic number, because the mean of its divisors is an integer number (132856).

2²⁶⁵⁷¹¹ is an apocalyptic number.

265711 is a deficient number, since it is larger than the sum of its proper divisors (1).

265711 is an equidigital number, since it uses as much as digits as its factorization.

265711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 265711 is about 515.4716287052. The cubic root of 265711 is about 64.2889764365.

The spelling of 265711 in words is "two hundred sixty-five thousand, seven hundred eleven".