242554349 has 2 divisors, whose sum is σ = 242554350. Its totient is φ = 242554348.

The previous prime is 242554327. The next prime is 242554421. The reversal of 242554349 is 943455242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152646025 + 89908324 = 12355^2 + 9482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242554349 is a prime.

It is a super-2 number, since 2×242554349² = 117665224437627602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242554049) 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, 121277174 + 121277175.

It is an arithmetic number, because the mean of its divisors is an integer number (121277175).

Almost surely, 2^242554349 is an apocalyptic number.

It is an amenable number.

242554349 is a deficient number, since it is larger than the sum of its proper divisors (1).

242554349 is an equidigital number, since it uses as much as digits as its factorization.

242554349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The square root of 242554349 is about 15574.1564458561. The cubic root of 242554349 is about 623.6434355161.

The spelling of 242554349 in words is "two hundred forty-two million, five hundred fifty-four thousand, three hundred forty-nine".