563621242 has 8 divisors (see below), whose sum is σ = 846112500. Its totient is φ = 281583744.

The previous prime is 563621221. The next prime is 563621249. The reversal of 563621242 is 242126365.

It can be written as a sum of positive squares in 2 ways, for example, as 499924881 + 63696361 = 22359^2 + 7981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (563621249) 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, 110317 + ... + 115312.

Almost surely, 2^563621242 is an apocalyptic number.

563621242 is a deficient number, since it is larger than the sum of its proper divisors (282491258).

563621242 is a wasteful number, since it uses less digits than its factorization.

563621242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226880.

The product of its digits is 17280, while the sum is 31.

The square root of 563621242 is about 23740.7085403953. The cubic root of 563621242 is about 826.0299310836.

The spelling of 563621242 in words is "five hundred sixty-three million, six hundred twenty-one thousand, two hundred forty-two".