242474543 has 2 divisors, whose sum is σ = 242474544. Its totient is φ = 242474542.

The previous prime is 242474513. The next prime is 242474563. The reversal of 242474543 is 345474242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242474543 - 2¹⁴ = 242458159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242474503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121237271 + 121237272.

It is an arithmetic number, because the mean of its divisors is an integer number (121237272).

Almost surely, 2^242474543 is an apocalyptic number.

242474543 is a deficient number, since it is larger than the sum of its proper divisors (1).

242474543 is an equidigital number, since it uses as much as digits as its factorization.

242474543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 35.

The square root of 242474543 is about 15571.5941059353. The cubic root of 242474543 is about 623.5750303006.

It can be divided in two parts, 2424 and 74543, that added together give a palindrome (76967).

The spelling of 242474543 in words is "two hundred forty-two million, four hundred seventy-four thousand, five hundred forty-three".