21014300 has 18 divisors (see below), whose sum is σ = 45601248. Its totient is φ = 8405680.

The previous prime is 21014297. The next prime is 21014303. The reversal of 21014300 is 341012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21014297) and next prime (21014303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104972 + ... + 105171.

Almost surely, 2^21014300 is an apocalyptic number.

21014300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21014300 is an abundant number, since it is smaller than the sum of its proper divisors (24586948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21014300 is a wasteful number, since it uses less digits than its factorization.

21014300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210157 (or 210150 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 21014300 is about 4584.1356873461. The cubic root of 21014300 is about 275.9550266286.

Adding to 21014300 its reverse (341012), we get a palindrome (21355312).

The spelling of 21014300 in words is "twenty-one million, fourteen thousand, three hundred".