165314213 has 2 divisors, whose sum is σ = 165314214. Its totient is φ = 165314212.

The previous prime is 165314203. The next prime is 165314257. The reversal of 165314213 is 312413561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 62758084 = 10127^2 + 7922^2 .

It is a cyclic number.

It is not a de Polignac number, because 165314213 - 2¹⁴ = 165297829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165314203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82657106 + 82657107.

It is an arithmetic number, because the mean of its divisors is an integer number (82657107).

Almost surely, 2^165314213 is an apocalyptic number.

It is an amenable number.

165314213 is a deficient number, since it is larger than the sum of its proper divisors (1).

165314213 is an equidigital number, since it uses as much as digits as its factorization.

165314213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 165314213 is about 12857.4574858329. The cubic root of 165314213 is about 548.8285955887.

Adding to 165314213 its reverse (312413561), we get a palindrome (477727774).

The spelling of 165314213 in words is "one hundred sixty-five million, three hundred fourteen thousand, two hundred thirteen".