21525184883 has 2 divisors, whose sum is σ = 21525184884. Its totient is φ = 21525184882.

The previous prime is 21525184867. The next prime is 21525184903. The reversal of 21525184883 is 38848152512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21525184883 - 2⁴ = 21525184867 is a prime.

It is not a weakly prime, because it can be changed into another prime (21525184183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10762592441 + 10762592442.

It is an arithmetic number, because the mean of its divisors is an integer number (10762592442).

Almost surely, 2^21525184883 is an apocalyptic number.

21525184883 is a deficient number, since it is larger than the sum of its proper divisors (1).

21525184883 is an equidigital number, since it uses as much as digits as its factorization.

21525184883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 614400, while the sum is 47.

The spelling of 21525184883 in words is "twenty-one billion, five hundred twenty-five million, one hundred eighty-four thousand, eight hundred eighty-three".