242436563 has 4 divisors (see below), whose sum is σ = 242502168. Its totient is φ = 242370960.

The previous prime is 242436553. The next prime is 242436589. The reversal of 242436563 is 365634242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242436563 - 2⁶ = 242436499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242436553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26906 + ... + 34767.

It is an arithmetic number, because the mean of its divisors is an integer number (60625542).

Almost surely, 2^242436563 is an apocalyptic number.

242436563 is a deficient number, since it is larger than the sum of its proper divisors (65605).

242436563 is an equidigital number, since it uses as much as digits as its factorization.

242436563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65604.

The product of its digits is 103680, while the sum is 35.

The square root of 242436563 is about 15570.3745298564. The cubic root of 242436563 is about 623.5424707089.

The spelling of 242436563 in words is "two hundred forty-two million, four hundred thirty-six thousand, five hundred sixty-three".