63867225 has 24 divisors (see below), whose sum is σ = 106694560. Its totient is φ = 33707520.

The previous prime is 63867179. The next prime is 63867233. The reversal of 63867225 is 52276836.

It is not a de Polignac number, because 63867225 - 2⁹ = 63866713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2886 + ... + 11664.

Almost surely, 2^63867225 is an apocalyptic number.

It is an amenable number.

63867225 is a deficient number, since it is larger than the sum of its proper divisors (42827335).

63867225 is a wasteful number, since it uses less digits than its factorization.

63867225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889 (or 8884 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 63867225 is about 7991.6972540256. The cubic root of 63867225 is about 399.7231939068.

The spelling of 63867225 in words is "sixty-three million, eight hundred sixty-seven thousand, two hundred twenty-five".