442800563 has 4 divisors (see below), whose sum is σ = 443057808. Its totient is φ = 442543320.

The previous prime is 442800503. The next prime is 442800569. The reversal of 442800563 is 365008244.

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 442800563 - 2⁸ = 442800307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442800569) 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, 126023 + ... + 129488.

It is an arithmetic number, because the mean of its divisors is an integer number (110764452).

Almost surely, 2^442800563 is an apocalyptic number.

442800563 is a deficient number, since it is larger than the sum of its proper divisors (257245).

442800563 is a wasteful number, since it uses less digits than its factorization.

442800563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257244.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 442800563 is about 21042.8268775847. The cubic root of 442800563 is about 762.2007786977.

The spelling of 442800563 in words is "four hundred forty-two million, eight hundred thousand, five hundred sixty-three".