63522005 has 4 divisors (see below), whose sum is σ = 76226412. Its totient is φ = 50817600.

The previous prime is 63521993. The next prime is 63522029. The reversal of 63522005 is 50022536.

It is a happy number.

63522005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36409156 + 27112849 = 6034^2 + 5207^2 .

It is not a de Polignac number, because 63522005 - 2¹⁶ = 63456469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6352196 + ... + 6352205.

It is an arithmetic number, because the mean of its divisors is an integer number (19056603).

Almost surely, 2^63522005 is an apocalyptic number.

It is an amenable number.

63522005 is a deficient number, since it is larger than the sum of its proper divisors (12704407).

63522005 is a wasteful number, since it uses less digits than its factorization.

63522005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704406.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 63522005 is about 7970.0693221577. The cubic root of 63522005 is about 399.0016875870.

The spelling of 63522005 in words is "sixty-three million, five hundred twenty-two thousand, five".