63004221 has 24 divisors (see below), whose sum is σ = 105268800. Its totient is φ = 35565696.

The previous prime is 63004217. The next prime is 63004223. The reversal of 63004221 is 12240036.

It is a happy number.

It is not a de Polignac number, because 63004221 - 2² = 63004217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63004194 and 63004203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63004223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (4386200).

Almost surely, 2^63004221 is an apocalyptic number.

It is an amenable number.

63004221 is a deficient number, since it is larger than the sum of its proper divisors (42264579).

63004221 is a wasteful number, since it uses less digits than its factorization.

63004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145 (or 12142 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63004221 is about 7937.5198267469. The cubic root of 63004221 is about 397.9146071523.

Adding to 63004221 its reverse (12240036), we get a palindrome (75244257).

The spelling of 63004221 in words is "sixty-three million, four thousand, two hundred twenty-one".