804573225 has 81 divisors (see below), whose sum is σ = 1513877157. Its totient is φ = 408456000.

The previous prime is 804573197. The next prime is 804573227. The reversal of 804573225 is 522375408.

The square root of 804573225 is 28365.

It is a perfect power (a square), and thus also a powerful number.

804573225 is a `hidden beast` number, since 80 + 4 + 573 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 370601001 + 433972224 = 19251^2 + 20832^2 .

It is not a de Polignac number, because 804573225 - 2¹¹ = 804571177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804573225.

It is not an unprimeable number, because it can be changed into a prime (804573227) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 13189695 + ... + 13189755.

Almost surely, 2^804573225 is an apocalyptic number.

804573225 is the 28365-th square number.

804573225 is the 14183-rd centered octagonal number.

It is an amenable number.

804573225 is a deficient number, since it is larger than the sum of its proper divisors (709303932).

804573225 is a wasteful number, since it uses less digits than its factorization.

804573225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The cubic root of 804573225 is about 930.0833258673.

Multiplying 804573225 by its sum of digits (36), we get a square (28964636100 = 170190²).

The spelling of 804573225 in words is "eight hundred four million, five hundred seventy-three thousand, two hundred twenty-five".