21848063 has 2 divisors, whose sum is σ = 21848064. Its totient is φ = 21848062.

The previous prime is 21848053. The next prime is 21848083. The reversal of 21848063 is 36084812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21848063 - 2¹⁰ = 21847039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21848023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10924031 + 10924032.

It is an arithmetic number, because the mean of its divisors is an integer number (10924032).

Almost surely, 2^21848063 is an apocalyptic number.

21848063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21848063 is an equidigital number, since it uses as much as digits as its factorization.

21848063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 21848063 is about 4674.1911599762. The cubic root of 21848063 is about 279.5573917047.

The spelling of 21848063 in words is "twenty-one million, eight hundred forty-eight thousand, sixty-three".