63924225 has 12 divisors (see below), whose sum is σ = 105688176. Its totient is φ = 34092880.

The previous prime is 63924221. The next prime is 63924229. The reversal of 63924225 is 52242936.

It is an interprime number because it is at equal distance from previous prime (63924221) and next prime (63924229).

It is not a de Polignac number, because 63924225 - 2² = 63924221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63924221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426087 + ... + 426236.

It is an arithmetic number, because the mean of its divisors is an integer number (8807348).

Almost surely, 2^63924225 is an apocalyptic number.

It is an amenable number.

63924225 is a deficient number, since it is larger than the sum of its proper divisors (41763951).

63924225 is a wasteful number, since it uses less digits than its factorization.

63924225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852336 (or 852331 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 63924225 is about 7995.2626598505. The cubic root of 63924225 is about 399.8420730726.

The spelling of 63924225 in words is "sixty-three million, nine hundred twenty-four thousand, two hundred twenty-five".