450422563 has 4 divisors (see below), whose sum is σ = 450495928. Its totient is φ = 450349200.

The previous prime is 450422551. The next prime is 450422587. The reversal of 450422563 is 365224054.

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 450422563 - 2⁹ = 450422051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450420563) 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, 26538 + ... + 40063.

It is an arithmetic number, because the mean of its divisors is an integer number (112623982).

Almost surely, 2^450422563 is an apocalyptic number.

450422563 is a deficient number, since it is larger than the sum of its proper divisors (73365).

450422563 is an equidigital number, since it uses as much as digits as its factorization.

450422563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73364.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 450422563 is about 21223.1610039598. The cubic root of 450422563 is about 766.5492195851.

The spelling of 450422563 in words is "four hundred fifty million, four hundred twenty-two thousand, five hundred sixty-three".