242635 has 4 divisors (see below), whose sum is σ = 291168. Its totient is φ = 194104.

The previous prime is 242633. The next prime is 242639. The reversal of 242635 is 536242.

It is a happy number.

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 242635 - 2¹ = 242633 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (242633) 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, 24259 + ... + 24268.

It is an arithmetic number, because the mean of its divisors is an integer number (72792).

2²⁴²⁶³⁵ is an apocalyptic number.

242635 is a deficient number, since it is larger than the sum of its proper divisors (48533).

242635 is an equidigital number, since it uses as much as digits as its factorization.

242635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48532.

The product of its digits is 1440, while the sum is 22.

The square root of 242635 is about 492.5799427504. The cubic root of 242635 is about 62.3712549776.

Adding to 242635 its reverse (536242), we get a palindrome (778877).

The spelling of 242635 in words is "two hundred forty-two thousand, six hundred thirty-five".