65336213 has 2 divisors, whose sum is σ = 65336214. Its totient is φ = 65336212.

The previous prime is 65336209. The next prime is 65336237. The reversal of 65336213 is 31263356.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 4761124 = 7783^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 65336213 - 2² = 65336209 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 (65335213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32668106 + 32668107.

It is an arithmetic number, because the mean of its divisors is an integer number (32668107).

Almost surely, 2^65336213 is an apocalyptic number.

It is an amenable number.

65336213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65336213 is an equidigital number, since it uses as much as digits as its factorization.

65336213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 65336213 is about 8083.0818998696. The cubic root of 65336213 is about 402.7646251806.

Adding to 65336213 its reverse (31263356), we get a palindrome (96599569).

The spelling of 65336213 in words is "sixty-five million, three hundred thirty-six thousand, two hundred thirteen".