242541433 has 2 divisors, whose sum is σ = 242541434. Its totient is φ = 242541432.

The previous prime is 242541367. The next prime is 242541443. The reversal of 242541433 is 334145242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242518329 + 23104 = 15573^2 + 152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242541433 is a prime.

It is not a weakly prime, because it can be changed into another prime (242541443) 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, 121270716 + 121270717.

It is an arithmetic number, because the mean of its divisors is an integer number (121270717).

Almost surely, 2^242541433 is an apocalyptic number.

It is an amenable number.

242541433 is a deficient number, since it is larger than the sum of its proper divisors (1).

242541433 is an equidigital number, since it uses as much as digits as its factorization.

242541433 is an odious number, because the sum of its binary digits is odd.

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

The square root of 242541433 is about 15573.7417790331. The cubic root of 242541433 is about 623.6323656650.

Adding to 242541433 its reverse (334145242), we get a palindrome (576686675).

The spelling of 242541433 in words is "two hundred forty-two million, five hundred forty-one thousand, four hundred thirty-three".