424445573 has 4 divisors (see below), whose sum is σ = 424489728. Its totient is φ = 424401420.

The previous prime is 424445563. The next prime is 424445599. The reversal of 424445573 is 375544424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424445573 - 2⁶ = 424445509 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 (424445563) 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, 863 + ... + 29148.

It is an arithmetic number, because the mean of its divisors is an integer number (106122432).

Almost surely, 2^424445573 is an apocalyptic number.

It is an amenable number.

424445573 is a deficient number, since it is larger than the sum of its proper divisors (44155).

424445573 is a wasteful number, since it uses less digits than its factorization.

424445573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44154.

The product of its digits is 268800, while the sum is 38.

The square root of 424445573 is about 20602.0769098652. The cubic root of 424445573 is about 751.5202190154.

Adding to 424445573 its reverse (375544424), we get a palindrome (799989997).

The spelling of 424445573 in words is "four hundred twenty-four million, four hundred forty-five thousand, five hundred seventy-three".