21600314 has 4 divisors (see below), whose sum is σ = 32400474. Its totient is φ = 10800156.

The previous prime is 21600311. The next prime is 21600323. The reversal of 21600314 is 41300612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15864289 + 5736025 = 3983^2 + 2395^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21600292 and 21600301.

It is not an unprimeable number, because it can be changed into a prime (21600311) by changing a digit.

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 as a sum of consecutive naturals, namely, 5400077 + ... + 5400080.

Almost surely, 2^21600314 is an apocalyptic number.

21600314 is a deficient number, since it is larger than the sum of its proper divisors (10800160).

21600314 is a wasteful number, since it uses less digits than its factorization.

21600314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800159.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 21600314 is about 4647.6137963475. The cubic root of 21600314 is about 278.4966795092.

Adding to 21600314 its reverse (41300612), we get a palindrome (62900926).

The spelling of 21600314 in words is "twenty-one million, six hundred thousand, three hundred fourteen".