10648021 has 2 divisors, whose sum is σ = 10648022. Its totient is φ = 10648020.

The previous prime is 10647983. The next prime is 10648063. The reversal of 10648021 is 12084601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 656100 = 3161^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10648021 - 2²¹ = 8550869 is a prime.

It is a super-2 number, since 2×10648021² = 226760702432882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10647983 and 10648001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10648091) 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, 5324010 + 5324011.

It is an arithmetic number, because the mean of its divisors is an integer number (5324011).

Almost surely, 2^10648021 is an apocalyptic number.

It is an amenable number.

10648021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10648021 is an equidigital number, since it uses as much as digits as its factorization.

10648021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 10648021 is about 3263.1305520926. The cubic root of 10648021 is about 220.0001446280. Note that the first 3 decimals are identical.

The spelling of 10648021 in words is "ten million, six hundred forty-eight thousand, twenty-one".