63241520 has 20 divisors (see below), whose sum is σ = 147036720. Its totient is φ = 25296576.

The previous prime is 63241511. The next prime is 63241523. The reversal of 63241520 is 2514236.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (63241523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395180 + ... + 395339.

It is an arithmetic number, because the mean of its divisors is an integer number (7351836).

Almost surely, 2^63241520 is an apocalyptic number.

It is an amenable number.

63241520 is an abundant number, since it is smaller than the sum of its proper divisors (83795200).

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

63241520 is a wasteful number, since it uses less digits than its factorization.

63241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790532 (or 790526 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 63241520 is about 7952.4537093906. The cubic root of 63241520 is about 398.4135495894.

Adding to 63241520 its reverse (2514236), we get a palindrome (65755756).

The spelling of 63241520 in words is "sixty-three million, two hundred forty-one thousand, five hundred twenty".