63525573 has 16 divisors (see below), whose sum is σ = 97358400. Its totient is φ = 40889520.

The previous prime is 63525571. The next prime is 63525587. The reversal of 63525573 is 37552536.

63525573 is a `hidden beast` number, since 63 + 5 + 25 + 573 = 666.

63525573 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 63525573 - 2¹ = 63525571 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63525571) 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 15 ways as a sum of consecutive naturals, for example, 39783 + ... + 41348.

It is an arithmetic number, because the mean of its divisors is an integer number (6084900).

Almost surely, 2^63525573 is an apocalyptic number.

It is an amenable number.

63525573 is a deficient number, since it is larger than the sum of its proper divisors (33832827).

63525573 is a wasteful number, since it uses less digits than its factorization.

63525573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81169 (or 81163 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 63525573 is about 7970.2931564655. The cubic root of 63525573 is about 399.0091580237.

The spelling of 63525573 in words is "sixty-three million, five hundred twenty-five thousand, five hundred seventy-three".