21483107 has 8 divisors (see below), whose sum is σ = 21779712. Its totient is φ = 21188800.

The previous prime is 21483103. The next prime is 21483149. The reversal of 21483107 is 70138412.

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

It is a cyclic number.

It is not a de Polignac number, because 21483107 - 2² = 21483103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21483103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25757 + ... + 26577.

It is an arithmetic number, because the mean of its divisors is an integer number (2722464).

Almost surely, 2^21483107 is an apocalyptic number.

21483107 is a deficient number, since it is larger than the sum of its proper divisors (296605).

21483107 is a wasteful number, since it uses less digits than its factorization.

21483107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 21483107 is about 4634.9872707484. The cubic root of 21483107 is about 277.9920421096.

The spelling of 21483107 in words is "twenty-one million, four hundred eighty-three thousand, one hundred seven".