242273 has 2 divisors, whose sum is σ = 242274. Its totient is φ = 242272.

The previous prime is 242261. The next prime is 242279. The reversal of 242273 is 372242.

It is a happy number.

242273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134689 + 107584 = 367^2 + 328^2 .

It is a cyclic number.

It is not a de Polignac number, because 242273 - 2⁴ = 242257 is a prime.

It is not a weakly prime, because it can be changed into another prime (242279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121136 + 121137.

It is an arithmetic number, because the mean of its divisors is an integer number (121137).

2²⁴²²⁷³ is an apocalyptic number.

It is an amenable number.

242273 is a deficient number, since it is larger than the sum of its proper divisors (1).

242273 is an equidigital number, since it uses as much as digits as its factorization.

242273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 20.

The square root of 242273 is about 492.2123525472. The cubic root of 242273 is about 62.3402212132.

It can be divided in two parts, 242 and 273, that multiplied together give a palindrome (66066).

The spelling of 242273 in words is "two hundred forty-two thousand, two hundred seventy-three", and thus it is an iban number.