563251243 has 4 divisors (see below), whose sum is σ = 575235360. Its totient is φ = 551267128.

The previous prime is 563251237. The next prime is 563251267. The reversal of 563251243 is 342152365.

It is a happy number.

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 563251243 - 2¹⁷ = 563120171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563251343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991988 + ... + 5992081.

It is an arithmetic number, because the mean of its divisors is an integer number (143808840).

Almost surely, 2^563251243 is an apocalyptic number.

563251243 is a deficient number, since it is larger than the sum of its proper divisors (11984117).

563251243 is a wasteful number, since it uses less digits than its factorization.

563251243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984116.

The product of its digits is 21600, while the sum is 31.

The square root of 563251243 is about 23732.9147598857. The cubic root of 563251243 is about 825.8491375951.

The spelling of 563251243 in words is "five hundred sixty-three million, two hundred fifty-one thousand, two hundred forty-three".