63000520 has 64 divisors (see below), whose sum is σ = 155960640. Its totient is φ = 22713600.

The previous prime is 63000503. The next prime is 63000527. The reversal of 63000520 is 2500036.

63000520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63000494 and 63000503.

It is not an unprimeable number, because it can be changed into a prime (63000527) 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 in 15 ways as a sum of consecutive naturals, for example, 57094 + ... + 58186.

It is an arithmetic number, because the mean of its divisors is an integer number (2436885).

Almost surely, 2^63000520 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 63000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77980320).

63000520 is an abundant number, since it is smaller than the sum of its proper divisors (92960120).

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

63000520 is a wasteful number, since it uses less digits than its factorization.

63000520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 63000520 is about 7937.2866900472. The cubic root of 63000520 is about 397.9068155537.

Adding to 63000520 its reverse (2500036), we get a palindrome (65500556).

The spelling of 63000520 in words is "sixty-three million, five hundred twenty", and thus it is an aban number.