242293 has 4 divisors (see below), whose sum is σ = 245440. Its totient is φ = 239148.

The previous prime is 242279. The next prime is 242309. The reversal of 242293 is 392242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242293 - 2⁵ = 242261 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243) 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 in 3 ways as a sum of consecutive naturals, for example, 1455 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (61360).

2²⁴²²⁹³ is an apocalyptic number.

It is an amenable number.

242293 is a deficient number, since it is larger than the sum of its proper divisors (3147).

242293 is an equidigital number, since it uses as much as digits as its factorization.

242293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146.

The product of its digits is 864, while the sum is 22.

The square root of 242293 is about 492.2326685623. The cubic root of 242293 is about 62.3419365923.

It can be divided in two parts, 242 and 293, that added together give a palindrome (535).

The spelling of 242293 in words is "two hundred forty-two thousand, two hundred ninety-three".