63630252 has 96 divisors (see below), whose sum is σ = 199664640. Its totient is φ = 17107200.

The previous prime is 63630247. The next prime is 63630253. The reversal of 63630252 is 25203636.

63630252 is a `hidden beast` number, since 6 + 3 + 630 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (63630253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10377 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (2079840).

Almost surely, 2^63630252 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 63630252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99832320).

63630252 is an abundant number, since it is smaller than the sum of its proper divisors (136034388).

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

63630252 is a wasteful number, since it uses less digits than its factorization.

63630252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 63630252 is about 7976.8572758951. The cubic root of 63630252 is about 399.2282034497.

Adding to 63630252 its reverse (25203636), we get a palindrome (88833888).

The spelling of 63630252 in words is "sixty-three million, six hundred thirty thousand, two hundred fifty-two".