63508 has 6 divisors (see below), whose sum is σ = 111146. Its totient is φ = 31752.

The previous prime is 63499. The next prime is 63521. The reversal of 63508 is 80536.

It can be written as a sum of positive squares in only one way, i.e., 63504 + 4 = 252^2 + 2^2 .

It is a congruent number.

It is an unprimeable number.

63508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7935 + ... + 7942.

2⁶³⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

63508 is a deficient number, since it is larger than the sum of its proper divisors (47638).

63508 is a wasteful number, since it uses less digits than its factorization.

63508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881 (or 15879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 63508 is about 252.0079363830. The cubic root of 63508 is about 39.8972362162.

The spelling of 63508 in words is "sixty-three thousand, five hundred eight".