10243213 has 2 divisors, whose sum is σ = 10243214. Its totient is φ = 10243212.

The previous prime is 10243201. The next prime is 10243229. The reversal of 10243213 is 31234201.

It is a happy number.

It is an a-pointer prime, because the next prime (10243229) can be obtained adding 10243213 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9474084 + 769129 = 3078^2 + 877^2 .

It is an emirp because it is prime and its reverse (31234201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243243) 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, 5121606 + 5121607.

It is an arithmetic number, because the mean of its divisors is an integer number (5121607).

Almost surely, 2^10243213 is an apocalyptic number.

It is an amenable number.

10243213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243213 is an equidigital number, since it uses as much as digits as its factorization.

10243213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 10243213 is about 3200.5019918756. The cubic root of 10243213 is about 217.1761189937.

Adding to 10243213 its reverse (31234201), we get a palindrome (41477414).

The spelling of 10243213 in words is "ten million, two hundred forty-three thousand, two hundred thirteen".