242853 has 12 divisors (see below), whose sum is σ = 351360. Its totient is φ = 149136.

The previous prime is 242819. The next prime is 242863. The reversal of 242853 is 358242.

It is not a de Polignac number, because 242853 - 2⁶ = 242789 is a prime.

242853 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (29280).

2²⁴²⁸⁵³ is an apocalyptic number.

It is an amenable number.

242853 is a deficient number, since it is larger than the sum of its proper divisors (108507).

242853 is a wasteful number, since it uses less digits than its factorization.

242853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 495 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 242853 is about 492.8011769466. The cubic root of 242853 is about 62.3899289302.

The spelling of 242853 in words is "two hundred forty-two thousand, eight hundred fifty-three".