242563663 has 6 divisors (see below), whose sum is σ = 247836656. Its totient is φ = 237400572.

The previous prime is 242563649. The next prime is 242563679. The reversal of 242563663 is 366365242.

It is not a de Polignac number, because 242563663 - 2¹³ = 242555471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242563693) 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 in 5 ways as a sum of consecutive naturals, for example, 52695 + ... + 57112.

Almost surely, 2^242563663 is an apocalyptic number.

242563663 is a deficient number, since it is larger than the sum of its proper divisors (5272993).

242563663 is an equidigital number, since it uses as much as digits as its factorization.

242563663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109901 (or 109854 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 242563663 is about 15574.4554639962. The cubic root of 242563663 is about 623.6514179753.

The spelling of 242563663 in words is "two hundred forty-two million, five hundred sixty-three thousand, six hundred sixty-three".