242666603 has 2 divisors, whose sum is σ = 242666604. Its totient is φ = 242666602.

The previous prime is 242666561. The next prime is 242666621. The reversal of 242666603 is 306666242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242666603 - 2¹² = 242662507 is a prime.

It is not a weakly prime, because it can be changed into another prime (242666503) 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, 121333301 + 121333302.

It is an arithmetic number, because the mean of its divisors is an integer number (121333302).

Almost surely, 2^242666603 is an apocalyptic number.

242666603 is a deficient number, since it is larger than the sum of its proper divisors (1).

242666603 is an equidigital number, since it uses as much as digits as its factorization.

242666603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 242666603 is about 15577.7598838857. The cubic root of 242666603 is about 623.7396279415.

The spelling of 242666603 in words is "two hundred forty-two million, six hundred sixty-six thousand, six hundred three".