63351225 has 144 divisors (see below), whose sum is σ = 143145600. Its totient is φ = 26127360.

The previous prime is 63351221. The next prime is 63351287. The reversal of 63351225 is 52215336.

63351225 is a `hidden beast` number, since 633 + 5 + 1 + 2 + 25 = 666.

It is not a de Polignac number, because 63351225 - 2² = 63351221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63351221) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 867789 + ... + 867861.

Almost surely, 2^63351225 is an apocalyptic number.

It is an amenable number.

63351225 is an abundant number, since it is smaller than the sum of its proper divisors (79794375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63351225 is a wasteful number, since it uses less digits than its factorization.

63351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 136 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 63351225 is about 7959.3482773403. The cubic root of 63351225 is about 398.6437923656.

The spelling of 63351225 in words is "sixty-three million, three hundred fifty-one thousand, two hundred twenty-five".