63057221225 has 12 divisors (see below), whose sum is σ = 78209892684. Its totient is φ = 50433558720.

The previous prime is 63057221221. The next prime is 63057221237. The reversal of 63057221225 is 52212275036.

63057221225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4328060944 + 58729160281 = 65788^2 + 242341^2 .

It is not a de Polignac number, because 63057221225 - 2² = 63057221221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63057221221) 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, 199454 + ... + 407303.

It is an arithmetic number, because the mean of its divisors is an integer number (6517491057).

Almost surely, 2^63057221225 is an apocalyptic number.

It is an amenable number.

63057221225 is a deficient number, since it is larger than the sum of its proper divisors (15152671459).

63057221225 is a wasteful number, since it uses less digits than its factorization.

63057221225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610924 (or 610919 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 63057221225 in words is "sixty-three billion, fifty-seven million, two hundred twenty-one thousand, two hundred twenty-five".