425305563 has 4 divisors (see below), whose sum is σ = 567074088. Its totient is φ = 283537040.

The previous prime is 425305553. The next prime is 425305577. The reversal of 425305563 is 365503524.

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 425305563 - 2⁶ = 425305499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425305513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70884258 + ... + 70884263.

It is an arithmetic number, because the mean of its divisors is an integer number (141768522).

Almost surely, 2^425305563 is an apocalyptic number.

425305563 is a deficient number, since it is larger than the sum of its proper divisors (141768525).

425305563 is a wasteful number, since it uses less digits than its factorization.

425305563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141768524.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 425305563 is about 20622.9377878129. The cubic root of 425305563 is about 752.0274405965.

The spelling of 425305563 in words is "four hundred twenty-five million, three hundred five thousand, five hundred sixty-three".