242249 has 4 divisors (see below), whose sum is σ = 276864. Its totient is φ = 207636.

The previous prime is 242243. The next prime is 242257. The reversal of 242249 is 942242.

242249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242249 - 2⁸ = 241993 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (242243) 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, 17297 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (69216).

2²⁴²²⁴⁹ is an apocalyptic number.

It is an amenable number.

242249 is a deficient number, since it is larger than the sum of its proper divisors (34615).

242249 is an equidigital number, since it uses as much as digits as its factorization.

242249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34614.

The product of its digits is 1152, while the sum is 23.

The square root of 242249 is about 492.1879722220. The cubic root of 242249 is about 62.3381626337.

The spelling of 242249 in words is "two hundred forty-two thousand, two hundred forty-nine".