63529425 has 54 divisors (see below), whose sum is σ = 120999138. Its totient is φ = 31856640.

The previous prime is 63529423. The next prime is 63529439. The reversal of 63529425 is 52492536.

63529425 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 9 ways, for example, as 40401 + 63489024 = 201^2 + 7968^2 .

It is not a de Polignac number, because 63529425 - 2¹ = 63529423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63529425.

It is not an unprimeable number, because it can be changed into a prime (63529423) 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 53 ways as a sum of consecutive naturals, for example, 64537 + ... + 65513.

Almost surely, 2^63529425 is an apocalyptic number.

It is an amenable number.

63529425 is a deficient number, since it is larger than the sum of its proper divisors (57469713).

63529425 is a wasteful number, since it uses less digits than its factorization.

63529425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1002 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 63529425 is about 7970.5348001248. The cubic root of 63529425 is about 399.0172227665.

The spelling of 63529425 in words is "sixty-three million, five hundred twenty-nine thousand, four hundred twenty-five".