21483003 has 8 divisors (see below), whose sum is σ = 28928016. Its totient is φ = 14180000.

The previous prime is 21482999. The next prime is 21483013. The reversal of 21483003 is 30038412.

It is a happy number.

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 21483003 - 2² = 21482999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21483013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35148 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (3616002).

Almost surely, 2^21483003 is an apocalyptic number.

21483003 is a deficient number, since it is larger than the sum of its proper divisors (7445013).

21483003 is a wasteful number, since it uses less digits than its factorization.

21483003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71005.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 21483003 is about 4634.9760517181. The cubic root of 21483003 is about 277.9915935211.

It can be divided in two parts, 2148 and 3003, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 21483003 in words is "twenty-one million, four hundred eighty-three thousand, three".