563251303 has 4 divisors (see below), whose sum is σ = 563383800. Its totient is φ = 563118808.

The previous prime is 563251289. The next prime is 563251309. The reversal of 563251303 is 303152365.

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 563251303 - 2⁹ = 563250791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563251309) 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, 59653 + ... + 68446.

It is an arithmetic number, because the mean of its divisors is an integer number (140845950).

Almost surely, 2^563251303 is an apocalyptic number.

563251303 is a deficient number, since it is larger than the sum of its proper divisors (132497).

563251303 is a wasteful number, since it uses less digits than its factorization.

563251303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132496.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 563251303 is about 23732.9160239529. The cubic root of 563251303 is about 825.8491669194.

The spelling of 563251303 in words is "five hundred sixty-three million, two hundred fifty-one thousand, three hundred three".