63615652 has 6 divisors (see below), whose sum is σ = 111327398. Its totient is φ = 31807824.

The previous prime is 63615637. The next prime is 63615653. The reversal of 63615652 is 25651636.

63615652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 30976 = 7974^2 + 176^2 .

It is not an unprimeable number, because it can be changed into a prime (63615653) by changing a digit.

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, 7951953 + ... + 7951960.

Almost surely, 2^63615652 is an apocalyptic number.

It is an amenable number.

63615652 is a deficient number, since it is larger than the sum of its proper divisors (47711746).

63615652 is a wasteful number, since it uses less digits than its factorization.

63615652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15903917 (or 15903915 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 63615652 is about 7975.9420760184. The cubic root of 63615652 is about 399.1976667293.

The spelling of 63615652 in words is "sixty-three million, six hundred fifteen thousand, six hundred fifty-two".