563306242 has 16 divisors (see below), whose sum is σ = 849555000. Its totient is φ = 280126080.

The previous prime is 563306173. The next prime is 563306273. The reversal of 563306242 is 242603365.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 450755361 + 112550881 = 21231^2 + 10609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362884 + ... + 364432.

Almost surely, 2^563306242 is an apocalyptic number.

563306242 is a deficient number, since it is larger than the sum of its proper divisors (286248758).

563306242 is a wasteful number, since it uses less digits than its factorization.

563306242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 563306242 is about 23734.0734388347. The cubic root of 563306242 is about 825.8760168957.

The spelling of 563306242 in words is "five hundred sixty-three million, three hundred six thousand, two hundred forty-two".