21095483 has 2 divisors, whose sum is σ = 21095484. Its totient is φ = 21095482.

The previous prime is 21095461. The next prime is 21095497. The reversal of 21095483 is 38459012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21095483 - 2⁸ = 21095227 is a prime.

It is not a weakly prime, because it can be changed into another prime (21095423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10547741 + 10547742.

It is an arithmetic number, because the mean of its divisors is an integer number (10547742).

Almost surely, 2^21095483 is an apocalyptic number.

21095483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21095483 is an equidigital number, since it uses as much as digits as its factorization.

21095483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 21095483 is about 4592.9819289869. The cubic root of 21095483 is about 276.3099289186.

The spelling of 21095483 in words is "twenty-one million, ninety-five thousand, four hundred eighty-three".