21483083 has 4 divisors (see below), whose sum is σ = 21647208. Its totient is φ = 21318960.

The previous prime is 21483037. The next prime is 21483103. The reversal of 21483083 is 38038412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21483083 - 2⁸ = 21482827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21483013) 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, 81866 + ... + 82127.

It is an arithmetic number, because the mean of its divisors is an integer number (5411802).

Almost surely, 2^21483083 is an apocalyptic number.

21483083 is a deficient number, since it is larger than the sum of its proper divisors (164125).

21483083 is a wasteful number, since it uses less digits than its factorization.

21483083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164124.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 21483083 is about 4634.9846817438. The cubic root of 21483083 is about 277.9919385893.

The spelling of 21483083 in words is "twenty-one million, four hundred eighty-three thousand, eighty-three".