63643232 has 12 divisors (see below), whose sum is σ = 125297676. Its totient is φ = 31821600.

The previous prime is 63643211. The next prime is 63643253. The reversal of 63643232 is 23234636.

63643232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63643211) and next prime (63643253).

It is a junction number, because it is equal to n+sod(n) for n = 63643195 and 63643204.

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 as a sum of consecutive naturals, namely, 994394 + ... + 994457.

It is an arithmetic number, because the mean of its divisors is an integer number (10441473).

Almost surely, 2^63643232 is an apocalyptic number.

It is an amenable number.

63643232 is a deficient number, since it is larger than the sum of its proper divisors (61654444).

63643232 is a wasteful number, since it uses less digits than its factorization.

63643232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988861 (or 1988853 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

The square root of 63643232 is about 7977.6708380329. The cubic root of 63643232 is about 399.2553479268.

Adding to 63643232 its reverse (23234636), we get a palindrome (86877868).

The spelling of 63643232 in words is "sixty-three million, six hundred forty-three thousand, two hundred thirty-two".