63538 has 4 divisors (see below), whose sum is σ = 95310. Its totient is φ = 31768.

The previous prime is 63533. The next prime is 63541. The reversal of 63538 is 83536.

63538 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 only one way, i.e., 59049 + 4489 = 243^2 + 67^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (63533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15883 + ... + 15886.

2⁶³⁵³⁸ is an apocalyptic number.

63538 is a deficient number, since it is larger than the sum of its proper divisors (31772).

63538 is a wasteful number, since it uses less digits than its factorization.

63538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31771.

The product of its digits is 2160, while the sum is 25.

The square root of 63538 is about 252.0674512903. The cubic root of 63538 is about 39.9035174651.

The spelling of 63538 in words is "sixty-three thousand, five hundred thirty-eight".