63432225 has 18 divisors (see below), whose sum is σ = 113614566. Its totient is φ = 33830400.

The previous prime is 63432191. The next prime is 63432247. The reversal of 63432225 is 52223436.

63432225 is a `hidden beast` number, since 6 + 3 + 432 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6640929 + 56791296 = 2577^2 + 7536^2 .

It is not a de Polignac number, because 63432225 - 2²⁰ = 62383649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 140736 + ... + 141185.

Almost surely, 2^63432225 is an apocalyptic number.

It is an amenable number.

63432225 is a deficient number, since it is larger than the sum of its proper divisors (50182341).

63432225 is a wasteful number, since it uses less digits than its factorization.

63432225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281937 (or 281929 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 63432225 is about 7964.4350082099. The cubic root of 63432225 is about 398.8136201526.

The spelling of 63432225 in words is "sixty-three million, four hundred thirty-two thousand, two hundred twenty-five".