433420563 has 4 divisors (see below), whose sum is σ = 577894088. Its totient is φ = 288947040.

The previous prime is 433420531. The next prime is 433420577. The reversal of 433420563 is 365024334.

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

It is not a de Polignac number, because 433420563 - 2⁵ = 433420531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 433420563.

It is not an unprimeable number, because it can be changed into a prime (433420523) 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, 72236758 + ... + 72236763.

It is an arithmetic number, because the mean of its divisors is an integer number (144473522).

Almost surely, 2^433420563 is an apocalyptic number.

433420563 is a deficient number, since it is larger than the sum of its proper divisors (144473525).

433420563 is a wasteful number, since it uses less digits than its factorization.

433420563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144473524.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 433420563 is about 20818.7550780540. The cubic root of 433420563 is about 756.7803331692.

Adding to 433420563 its reverse (365024334), we get a palindrome (798444897).

The spelling of 433420563 in words is "four hundred thirty-three million, four hundred twenty thousand, five hundred sixty-three".