21033314 has 8 divisors (see below), whose sum is σ = 32567808. Its totient is φ = 10177380.

The previous prime is 21033289. The next prime is 21033317. The reversal of 21033314 is 41333012.

It is a happy number.

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

It is a super-3 number, since 3×21033314³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033292 and 21033301.

It is not an unprimeable number, because it can be changed into a prime (21033317) 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, 169562 + ... + 169685.

It is an arithmetic number, because the mean of its divisors is an integer number (4070976).

Almost surely, 2^21033314 is an apocalyptic number.

21033314 is a deficient number, since it is larger than the sum of its proper divisors (11534494).

21033314 is a wasteful number, since it uses less digits than its factorization.

21033314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339280.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 21033314 is about 4586.2091099295. The cubic root of 21033314 is about 276.0382307190.

Adding to 21033314 its reverse (41333012), we get a palindrome (62366326).

The spelling of 21033314 in words is "twenty-one million, thirty-three thousand, three hundred fourteen".