563773231 has 4 divisors (see below), whose sum is σ = 644312272. Its totient is φ = 483234192.

The previous prime is 563773229. The next prime is 563773271. The reversal of 563773231 is 132377365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132377365 = 5 ⋅26475473.

It is not a de Polignac number, because 563773231 - 2¹ = 563773229 is a prime.

It is a super-2 number, since 2×563773231² = 635680511984358722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563773211) 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, 40269510 + ... + 40269523.

It is an arithmetic number, because the mean of its divisors is an integer number (161078068).

Almost surely, 2^563773231 is an apocalyptic number.

563773231 is a deficient number, since it is larger than the sum of its proper divisors (80539041).

563773231 is an equidigital number, since it uses as much as digits as its factorization.

563773231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80539040.

The product of its digits is 79380, while the sum is 37.

The square root of 563773231 is about 23743.9093453458. The cubic root of 563773231 is about 826.1041749021.

The spelling of 563773231 in words is "five hundred sixty-three million, seven hundred seventy-three thousand, two hundred thirty-one".