53342213 has 2 divisors, whose sum is σ = 53342214. Its totient is φ = 53342212.

The previous prime is 53342203. The next prime is 53342297. The reversal of 53342213 is 31224335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 23059204 = 5503^2 + 4802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53342213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53342203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26671106 + 26671107.

It is an arithmetic number, because the mean of its divisors is an integer number (26671107).

Almost surely, 2^53342213 is an apocalyptic number.

It is an amenable number.

53342213 is a deficient number, since it is larger than the sum of its proper divisors (1).

53342213 is an equidigital number, since it uses as much as digits as its factorization.

53342213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 53342213 is about 7303.5753573164. The cubic root of 53342213 is about 376.4353006088.

Adding to 53342213 its reverse (31224335), we get a palindrome (84566548).

The spelling of 53342213 in words is "fifty-three million, three hundred forty-two thousand, two hundred thirteen".