63241521 has 16 divisors (see below), whose sum is σ = 96482304. Its totient is φ = 36095184.

The previous prime is 63241511. The next prime is 63241523. The reversal of 63241521 is 12514236.

It is not a de Polignac number, because 63241521 - 2¹⁰ = 63240497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63241491 and 63241500.

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 15 ways as a sum of consecutive naturals, for example, 27606 + ... + 29808.

It is an arithmetic number, because the mean of its divisors is an integer number (6030144).

Almost surely, 2^63241521 is an apocalyptic number.

It is an amenable number.

63241521 is a deficient number, since it is larger than the sum of its proper divisors (33240783).

63241521 is a wasteful number, since it uses less digits than its factorization.

63241521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its digits is 1440, while the sum is 24.

The square root of 63241521 is about 7952.4537722643. The cubic root of 63241521 is about 398.4135516894.

Adding to 63241521 its reverse (12514236), we get a palindrome (75755757).

The spelling of 63241521 in words is "sixty-three million, two hundred forty-one thousand, five hundred twenty-one".