10466821 has 2 divisors, whose sum is σ = 10466822. Its totient is φ = 10466820.

The previous prime is 10466801. The next prime is 10466831. The reversal of 10466821 is 12866401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5688225 + 4778596 = 2385^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 10466821 - 2⁷ = 10466693 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10466821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10466801) 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 as a sum of consecutive naturals, namely, 5233410 + 5233411.

It is an arithmetic number, because the mean of its divisors is an integer number (5233411).

Almost surely, 2^10466821 is an apocalyptic number.

It is an amenable number.

10466821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10466821 is an equidigital number, since it uses as much as digits as its factorization.

10466821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 10466821 is about 3235.2466675665. The cubic root of 10466821 is about 218.7450659023.

The spelling of 10466821 in words is "ten million, four hundred sixty-six thousand, eight hundred twenty-one".