242326213 has 2 divisors, whose sum is σ = 242326214. Its totient is φ = 242326212.

The previous prime is 242326153. The next prime is 242326237. The reversal of 242326213 is 312623242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234916929 + 7409284 = 15327^2 + 2722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242326213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242327213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121163106 + 121163107.

It is an arithmetic number, because the mean of its divisors is an integer number (121163107).

Almost surely, 2^242326213 is an apocalyptic number.

It is an amenable number.

242326213 is a deficient number, since it is larger than the sum of its proper divisors (1).

242326213 is an equidigital number, since it uses as much as digits as its factorization.

242326213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 242326213 is about 15566.8305380382. The cubic root of 242326213 is about 623.4478502809.

Adding to 242326213 its reverse (312623242), we get a palindrome (554949455).

The spelling of 242326213 in words is "two hundred forty-two million, three hundred twenty-six thousand, two hundred thirteen".