242011563 has 4 divisors (see below), whose sum is σ = 322682088. Its totient is φ = 161341040.

The previous prime is 242011547. The next prime is 242011573. The reversal of 242011563 is 365110242.

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 242011563 - 2⁴ = 242011547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242011573) 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 3 ways as a sum of consecutive naturals, for example, 40335258 + ... + 40335263.

It is an arithmetic number, because the mean of its divisors is an integer number (80670522).

Almost surely, 2^242011563 is an apocalyptic number.

242011563 is a deficient number, since it is larger than the sum of its proper divisors (80670525).

242011563 is an equidigital number, since it uses as much as digits as its factorization.

242011563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80670524.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 242011563 is about 15556.7208305607. The cubic root of 242011563 is about 623.1778934734.

The spelling of 242011563 in words is "two hundred forty-two million, eleven thousand, five hundred sixty-three".