21483675 has 18 divisors (see below), whose sum is σ = 38480052. Its totient is φ = 11457840.

The previous prime is 21483641. The next prime is 21483689. The reversal of 21483675 is 57638412.

It is not a de Polignac number, because 21483675 - 2⁸ = 21483419 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47517 + ... + 47966.

Almost surely, 2^21483675 is an apocalyptic number.

21483675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21483675 is a deficient number, since it is larger than the sum of its proper divisors (16996377).

21483675 is a wasteful number, since it uses less digits than its factorization.

21483675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95499 (or 95491 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 21483675 is about 4635.0485434351. The cubic root of 21483675 is about 277.9944920669.

The spelling of 21483675 in words is "twenty-one million, four hundred eighty-three thousand, six hundred seventy-five".