21063327 has 8 divisors (see below), whose sum is σ = 28156080. Its totient is φ = 14006400.

The previous prime is 21063311. The next prime is 21063373. The reversal of 21063327 is 72336012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21063327 - 2⁴ = 21063311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21063297 and 21063306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21063227) 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 7 ways as a sum of consecutive naturals, for example, 7552 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (3519510).

Almost surely, 2^21063327 is an apocalyptic number.

21063327 is a deficient number, since it is larger than the sum of its proper divisors (7092753).

21063327 is a wasteful number, since it uses less digits than its factorization.

21063327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 21063327 is about 4589.4800359082. The cubic root of 21063327 is about 276.1694637710.

Adding to 21063327 its reverse (72336012), we get a palindrome (93399339).

The spelling of 21063327 in words is "twenty-one million, sixty-three thousand, three hundred twenty-seven".