63132021 has 16 divisors (see below), whose sum is σ = 93652800. Its totient is φ = 42032304.

The previous prime is 63132007. The next prime is 63132059. The reversal of 63132021 is 12023136.

63132021 is a `hidden beast` number, since 631 + 32 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 63132021 - 2¹⁰ = 63130997 is a prime.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 63131985 and 63132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63132001) 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, 34395 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (5853300).

Almost surely, 2^63132021 is an apocalyptic number.

It is an amenable number.

63132021 is a deficient number, since it is larger than the sum of its proper divisors (30520779).

63132021 is a wasteful number, since it uses less digits than its factorization.

63132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 63132021 is about 7945.5661220583. The cubic root of 63132021 is about 398.1834734829.

Adding to 63132021 its reverse (12023136), we get a palindrome (75155157).

The spelling of 63132021 in words is "sixty-three million, one hundred thirty-two thousand, twenty-one".