242003317 has 2 divisors, whose sum is σ = 242003318. Its totient is φ = 242003316.

The previous prime is 242003297. The next prime is 242003351. The reversal of 242003317 is 713300242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229795281 + 12208036 = 15159^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 242003317 - 2¹¹ = 242001269 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 (242003357) 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, 121001658 + 121001659.

It is an arithmetic number, because the mean of its divisors is an integer number (121001659).

Almost surely, 2^242003317 is an apocalyptic number.

It is an amenable number.

242003317 is a deficient number, since it is larger than the sum of its proper divisors (1).

242003317 is an equidigital number, since it uses as much as digits as its factorization.

242003317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 242003317 is about 15556.4557981566. The cubic root of 242003317 is about 623.1708155977.

Adding to 242003317 its reverse (713300242), we get a palindrome (955303559).

The spelling of 242003317 in words is "two hundred forty-two million, three thousand, three hundred seventeen".