242773 has 2 divisors, whose sum is σ = 242774. Its totient is φ = 242772.

The previous prime is 242747. The next prime is 242779. The reversal of 242773 is 377242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223729 + 19044 = 473^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 242773 - 2⁹ = 242261 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁸ + 7 + 2⁵ + 7² + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121386 + 121387.

It is an arithmetic number, because the mean of its divisors is an integer number (121387).

2²⁴²⁷⁷³ is an apocalyptic number.

It is an amenable number.

242773 is a deficient number, since it is larger than the sum of its proper divisors (1).

242773 is an equidigital number, since it uses as much as digits as its factorization.

242773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 25.

The square root of 242773 is about 492.7200016236. The cubic root of 242773 is about 62.3830774021.

It can be divided in two parts, 2427 and 73, that added together give a square (2500 = 50²).

The spelling of 242773 in words is "two hundred forty-two thousand, seven hundred seventy-three", and thus it is an iban number.