21063002 has 8 divisors (see below), whose sum is σ = 32039712. Its totient is φ = 10383100.

The previous prime is 21062999. The next prime is 21063013. The reversal of 21063002 is 20036012.

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

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 3 ways as a sum of consecutive naturals, for example, 74024 + ... + 74307.

It is an arithmetic number, because the mean of its divisors is an integer number (4004964).

Almost surely, 2^21063002 is an apocalyptic number.

21063002 is a deficient number, since it is larger than the sum of its proper divisors (10976710).

21063002 is a wasteful number, since it uses less digits than its factorization.

21063002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148404.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 21063002 is about 4589.4446287105. Note that the first 3 decimals coincide. The cubic root of 21063002 is about 276.1680433633.

Adding to 21063002 its reverse (20036012), we get a palindrome (41099014).

The spelling of 21063002 in words is "twenty-one million, sixty-three thousand, two".