21612483 has 12 divisors (see below), whose sum is σ = 31730608. Its totient is φ = 14171760.

The previous prime is 21612431. The next prime is 21612497. The reversal of 21612483 is 38421612.

21612483 is a `hidden beast` number, since 2 + 1 + 612 + 48 + 3 = 666.

It is not a de Polignac number, because 21612483 - 2¹² = 21608387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21612413) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19135 + ... + 20232.

Almost surely, 2^21612483 is an apocalyptic number.

21612483 is a deficient number, since it is larger than the sum of its proper divisors (10118125).

21612483 is a wasteful number, since it uses less digits than its factorization.

21612483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39434 (or 39431 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 21612483 is about 4648.9227784509. The cubic root of 21612483 is about 278.5489687161.

The spelling of 21612483 in words is "twenty-one million, six hundred twelve thousand, four hundred eighty-three".