242711 has 4 divisors (see below), whose sum is σ = 277392. Its totient is φ = 208032.

The previous prime is 242689. The next prime is 242713. The reversal of 242711 is 117242.

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 242711 - 2⁶ = 242647 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 242711.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242711.

It is not an unprimeable number, because it can be changed into a prime (242713) 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, 17330 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (69348).

2²⁴²⁷¹¹ is an apocalyptic number.

242711 is a deficient number, since it is larger than the sum of its proper divisors (34681).

242711 is an equidigital number, since it uses as much as digits as its factorization.

242711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34680.

The product of its digits is 112, while the sum is 17.

The square root of 242711 is about 492.6570815486. The cubic root of 242711 is about 62.3777664325.

Adding to 242711 its reverse (117242), we get a palindrome (359953).

The spelling of 242711 in words is "two hundred forty-two thousand, seven hundred eleven", and thus it is an iban number.