2648213 has 2 divisors, whose sum is σ = 2648214. Its totient is φ = 2648212.

The previous prime is 2648207. The next prime is 2648227. The reversal of 2648213 is 3128462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1444804 + 1203409 = 1202^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648213 - 2¹⁶ = 2582677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324106 + 1324107.

It is an arithmetic number, because the mean of its divisors is an integer number (1324107).

2^2648213 is an apocalyptic number.

It is an amenable number.

2648213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648213 is an equidigital number, since it uses as much as digits as its factorization.

2648213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 2648213 is about 1627.3330943602. Note that the first 3 decimals coincide. The cubic root of 2648213 is about 138.3516377127.

Subtracting 2648213 from its reverse (3128462), we obtain a square (480249 = 693²).

The spelling of 2648213 in words is "two million, six hundred forty-eight thousand, two hundred thirteen".