9146213 has 2 divisors, whose sum is σ = 9146214. Its totient is φ = 9146212.

The previous prime is 9146197. The next prime is 9146273. The reversal of 9146213 is 3126419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8868484 + 277729 = 2978^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 9146213 - 2⁴ = 9146197 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 (9146273) 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, 4573106 + 4573107.

It is an arithmetic number, because the mean of its divisors is an integer number (4573107).

Almost surely, 2^9146213 is an apocalyptic number.

It is an amenable number.

9146213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9146213 is an equidigital number, since it uses as much as digits as its factorization.

9146213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 9146213 is about 3024.2706558772. The cubic root of 9146213 is about 209.1287638571.

The spelling of 9146213 in words is "nine million, one hundred forty-six thousand, two hundred thirteen".