63381232 has 10 divisors (see below), whose sum is σ = 122801168. Its totient is φ = 31690608.

The previous prime is 63381229. The next prime is 63381233. The reversal of 63381232 is 23218336.

It is a self number, because there is not a number n which added to its sum of digits gives 63381232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63381233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980648 + ... + 1980679.

Almost surely, 2^63381232 is an apocalyptic number.

It is an amenable number.

63381232 is a deficient number, since it is larger than the sum of its proper divisors (59419936).

63381232 is a wasteful number, since it uses less digits than its factorization.

63381232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961335 (or 3961329 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 63381232 is about 7961.2330703227. The cubic root of 63381232 is about 398.7067230935.

Adding to 63381232 its reverse (23218336), we get a palindrome (86599568).

The spelling of 63381232 in words is "sixty-three million, three hundred eighty-one thousand, two hundred thirty-two".