21700483 has 24 divisors (see below), whose sum is σ = 27086400. Its totient is φ = 17273088.

The previous prime is 21700409. The next prime is 21700493. The reversal of 21700483 is 38400712.

It is not a de Polignac number, because 21700483 - 2¹³ = 21692291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21700493) 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 23 ways as a sum of consecutive naturals, for example, 90678 + ... + 90916.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^21700483 is an apocalyptic number.

21700483 is a deficient number, since it is larger than the sum of its proper divisors (5385917).

21700483 is a wasteful number, since it uses less digits than its factorization.

21700483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 21700483 is about 4658.3777219114. The cubic root of 21700483 is about 278.9265146496.

The spelling of 21700483 in words is "twenty-one million, seven hundred thousand, four hundred eighty-three".