242441533 has 2 divisors, whose sum is σ = 242441534. Its totient is φ = 242441532.

The previous prime is 242441531. The next prime is 242441543. The reversal of 242441533 is 335144242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188595289 + 53846244 = 13733^2 + 7338^2 .

It is a cyclic number.

It is not a de Polignac number, because 242441533 - 2¹ = 242441531 is a prime.

Together with 242441531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242441531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121220766 + 121220767.

It is an arithmetic number, because the mean of its divisors is an integer number (121220767).

Almost surely, 2^242441533 is an apocalyptic number.

It is an amenable number.

242441533 is a deficient number, since it is larger than the sum of its proper divisors (1).

242441533 is an equidigital number, since it uses as much as digits as its factorization.

242441533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 242441533 is about 15570.5341269977. The cubic root of 242441533 is about 623.5467315966.

Adding to 242441533 its reverse (335144242), we get a palindrome (577585775).

The spelling of 242441533 in words is "two hundred forty-two million, four hundred forty-one thousand, five hundred thirty-three".