63195625 has 10 divisors (see below), whose sum is σ = 78970034. Its totient is φ = 50556000.

The previous prime is 63195623. The next prime is 63195641. The reversal of 63195625 is 52659136.

63195625 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 5 ways, for example, as 45522009 + 17673616 = 6747^2 + 4204^2 .

It is not a de Polignac number, because 63195625 - 2¹ = 63195623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63195623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49932 + ... + 51181.

Almost surely, 2^63195625 is an apocalyptic number.

It is an amenable number.

63195625 is a deficient number, since it is larger than the sum of its proper divisors (15774409).

63195625 is an equidigital number, since it uses as much as digits as its factorization.

63195625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101133 (or 101118 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 63195625 is about 7949.5675983037. The cubic root of 63195625 is about 398.3171487076.

The spelling of 63195625 in words is "sixty-three million, one hundred ninety-five thousand, six hundred twenty-five".