40563225 has 18 divisors (see below), whose sum is σ = 72653646. Its totient is φ = 21633600.

The previous prime is 40563217. The next prime is 40563247. The reversal of 40563225 is 52236504.

40563225 is a `hidden beast` number, since 4 + 0 + 5 + 632 + 25 = 666.

40563225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7420176 + 33143049 = 2724^2 + 5757^2 .

It is not a de Polignac number, because 40563225 - 2³ = 40563217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89916 + ... + 90365.

Almost surely, 2^40563225 is an apocalyptic number.

40563225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40563225 is a deficient number, since it is larger than the sum of its proper divisors (32090421).

40563225 is a wasteful number, since it uses less digits than its factorization.

40563225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180297 (or 180289 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40563225 is about 6368.9265186529. The cubic root of 40563225 is about 343.5928824673.

Adding to 40563225 its reverse (52236504), we get a palindrome (92799729).

The spelling of 40563225 in words is "forty million, five hundred sixty-three thousand, two hundred twenty-five".