63635252 has 12 divisors (see below), whose sum is σ = 112464996. Its totient is φ = 31502400.

The previous prime is 63635213. The next prime is 63635287. The reversal of 63635252 is 25253636.

It can be written as a sum of positive squares in 2 ways, for example, as 57214096 + 6421156 = 7564^2 + 2534^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78353 + ... + 79160.

It is an arithmetic number, because the mean of its divisors is an integer number (9372083).

Almost surely, 2^63635252 is an apocalyptic number.

It is an amenable number.

63635252 is a deficient number, since it is larger than the sum of its proper divisors (48829744).

63635252 is a wasteful number, since it uses less digits than its factorization.

63635252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157618 (or 157616 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 63635252 is about 7977.1706763739. The cubic root of 63635252 is about 399.2386601568.

Adding to 63635252 its reverse (25253636), we get a palindrome (88888888).

The spelling of 63635252 in words is "sixty-three million, six hundred thirty-five thousand, two hundred fifty-two".