63543 has 8 divisors (see below), whose sum is σ = 86400. Its totient is φ = 41528.

The previous prime is 63541. The next prime is 63559. The reversal of 63543 is 34536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63543 - 2¹ = 63541 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3² + 5⁵ + 4³ + 3¹⁰ .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 356.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2⁶³⁵⁴³ is an apocalyptic number.

63543 is a deficient number, since it is larger than the sum of its proper divisors (22857).

63543 is a wasteful number, since it uses less digits than its factorization.

63543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its digits is 1080, while the sum is 21.

The square root of 63543 is about 252.0773690754. The cubic root of 63543 is about 39.9045641477.

It can be divided in two parts, 63 and 543, that added together give a palindrome (606).

The spelling of 63543 in words is "sixty-three thousand, five hundred forty-three".