242775089 has 2 divisors, whose sum is σ = 242775090. Its totient is φ = 242775088.

The previous prime is 242775077. The next prime is 242775121. The reversal of 242775089 is 980577242.

242775089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164275489 + 78499600 = 12817^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 242775089 - 2⁴ = 242775073 is a prime.

It is not a weakly prime, because it can be changed into another prime (242775889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121387544 + 121387545.

It is an arithmetic number, because the mean of its divisors is an integer number (121387545).

Almost surely, 2^242775089 is an apocalyptic number.

It is an amenable number.

242775089 is a deficient number, since it is larger than the sum of its proper divisors (1).

242775089 is an equidigital number, since it uses as much as digits as its factorization.

242775089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 242775089 is about 15581.2415744061. The cubic root of 242775089 is about 623.8325633176.

The spelling of 242775089 in words is "two hundred forty-two million, seven hundred seventy-five thousand, eighty-nine".