242841133 has 2 divisors, whose sum is σ = 242841134. Its totient is φ = 242841132.

The previous prime is 242841113. The next prime is 242841173. The reversal of 242841133 is 331148242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237992329 + 4848804 = 15427^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242841133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242841113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121420566 + 121420567.

It is an arithmetic number, because the mean of its divisors is an integer number (121420567).

Almost surely, 2^242841133 is an apocalyptic number.

It is an amenable number.

242841133 is a deficient number, since it is larger than the sum of its proper divisors (1).

242841133 is an equidigital number, since it uses as much as digits as its factorization.

242841133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 242841133 is about 15583.3607735944. The cubic root of 242841133 is about 623.8891268672.

Adding to 242841133 its reverse (331148242), we get a palindrome (573989375).

The spelling of 242841133 in words is "two hundred forty-two million, eight hundred forty-one thousand, one hundred thirty-three".