9241213 has 2 divisors, whose sum is σ = 9241214. Its totient is φ = 9241212.

The previous prime is 9241181. The next prime is 9241223. The reversal of 9241213 is 3121429.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7546009 + 1695204 = 2747^2 + 1302^2 .

It is an emirp because it is prime and its reverse (3121429) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9241213 - 2⁵ = 9241181 is a prime.

It is a super-2 number, since 2×9241213² = 170800035422738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9241223) 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, 4620606 + 4620607.

It is an arithmetic number, because the mean of its divisors is an integer number (4620607).

Almost surely, 2^9241213 is an apocalyptic number.

It is an amenable number.

9241213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9241213 is an equidigital number, since it uses as much as digits as its factorization.

9241213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 9241213 is about 3039.9363480178. The cubic root of 9241213 is about 209.8503317535.

The spelling of 9241213 in words is "nine million, two hundred forty-one thousand, two hundred thirteen".