445424563 has 4 divisors (see below), whose sum is σ = 450791208. Its totient is φ = 440057920.

The previous prime is 445424557. The next prime is 445424569. The reversal of 445424563 is 365424544.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (445424557) and next prime (445424569).

It is a cyclic number.

It is not a de Polignac number, because 445424563 - 2⁹ = 445424051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445424569) 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, 2683198 + ... + 2683363.

It is an arithmetic number, because the mean of its divisors is an integer number (112697802).

Almost surely, 2^445424563 is an apocalyptic number.

445424563 is a deficient number, since it is larger than the sum of its proper divisors (5366645).

445424563 is an equidigital number, since it uses as much as digits as its factorization.

445424563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366644.

The product of its digits is 230400, while the sum is 37.

The square root of 445424563 is about 21105.0838188338. The cubic root of 445424563 is about 763.7033943397.

The spelling of 445424563 in words is "four hundred forty-five million, four hundred twenty-four thousand, five hundred sixty-three".