63232520 has 128 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 20951040.

The previous prime is 63232517. The next prime is 63232541. The reversal of 63232520 is 2523236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203165 + ... + 203475.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 2^63232520 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 63232520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

63232520 is an abundant number, since it is smaller than the sum of its proper divisors (106595320).

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

63232520 is a wasteful number, since it uses less digits than its factorization.

63232520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 63232520 is about 7951.8878261706. The cubic root of 63232520 is about 398.3946490736.

Adding to 63232520 its reverse (2523236), we get a palindrome (65755756).

The spelling of 63232520 in words is "sixty-three million, two hundred thirty-two thousand, five hundred twenty".