63145825 has 12 divisors (see below), whose sum is σ = 79471600. Its totient is φ = 49761360.

The previous prime is 63145813. The next prime is 63145829. The reversal of 63145825 is 52854136.

63145825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63145825 - 2⁵ = 63145793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63145829) 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 11 ways as a sum of consecutive naturals, for example, 17175 + ... + 20524.

Almost surely, 2^63145825 is an apocalyptic number.

It is an amenable number.

63145825 is a deficient number, since it is larger than the sum of its proper divisors (16325775).

63145825 is a wasteful number, since it uses less digits than its factorization.

63145825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37776 (or 37771 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 63145825 is about 7946.4347351501. The cubic root of 63145825 is about 398.2124926928.

The spelling of 63145825 in words is "sixty-three million, one hundred forty-five thousand, eight hundred twenty-five".