63015532 has 24 divisors (see below), whose sum is σ = 119254464. Its totient is φ = 29021952.

The previous prime is 63015517. The next prime is 63015541. The reversal of 63015532 is 23551036.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63015497 and 63015506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6663 + ... + 13054.

It is an arithmetic number, because the mean of its divisors is an integer number (4968936).

Almost surely, 2^63015532 is an apocalyptic number.

It is an amenable number.

63015532 is a deficient number, since it is larger than the sum of its proper divisors (56238932).

63015532 is a wasteful number, since it uses less digits than its factorization.

63015532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785 (or 19783 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 63015532 is about 7938.2322969286. The cubic root of 63015532 is about 397.9384179528.

Adding to 63015532 its reverse (23551036), we get a palindrome (86566568).

The spelling of 63015532 in words is "sixty-three million, fifteen thousand, five hundred thirty-two".