6363855225 has 288 divisors, whose sum is σ = 15209026560. Its totient is φ = 2467307520.

The previous prime is 6363855187. The next prime is 6363855241. The reversal of 6363855225 is 5225583636.

6363855225 is a `hidden beast` number, since 6 + 3 + 638 + 5 + 5 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 6363855225 - 2⁷ = 6363855097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 16359331 + ... + 16359719.

It is an arithmetic number, because the mean of its divisors is an integer number (52809120).

Almost surely, 2^6363855225 is an apocalyptic number.

6363855225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6363855225 is an abundant number, since it is smaller than the sum of its proper divisors (8845171335).

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

6363855225 is a wasteful number, since it uses less digits than its factorization.

6363855225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 481 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 6363855225 is about 79773.7752961460. The cubic root of 6363855225 is about 1853.1337415496.

The spelling of 6363855225 in words is "six billion, three hundred sixty-three million, eight hundred fifty-five thousand, two hundred twenty-five".