63543012 has 48 divisors (see below), whose sum is σ = 161949312. Its totient is φ = 19272960.

The previous prime is 63542981. The next prime is 63543017. The reversal of 63543012 is 21034536.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63543017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8208 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (3373944).

Almost surely, 2^63543012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63543012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80974656).

63543012 is an abundant number, since it is smaller than the sum of its proper divisors (98406300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63543012 is a wasteful number, since it uses less digits than its factorization.

63543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 63543012 is about 7971.3870813052. The cubic root of 63543012 is about 399.0456665968.

Adding to 63543012 its reverse (21034536), we get a palindrome (84577548).

The spelling of 63543012 in words is "sixty-three million, five hundred forty-three thousand, twelve".