36512213 has 2 divisors, whose sum is σ = 36512214. Its totient is φ = 36512212.

The previous prime is 36512183. The next prime is 36512219. The reversal of 36512213 is 31221563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 2137444 = 5863^2 + 1462^2 .

It is an emirp because it is prime and its reverse (31221563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36512213 - 2⁶ = 36512149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36512219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18256106 + 18256107.

It is an arithmetic number, because the mean of its divisors is an integer number (18256107).

Almost surely, 2^36512213 is an apocalyptic number.

It is an amenable number.

36512213 is a deficient number, since it is larger than the sum of its proper divisors (1).

36512213 is an equidigital number, since it uses as much as digits as its factorization.

36512213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 36512213 is about 6042.5336573328. The cubic root of 36512213 is about 331.7513652302.

Adding to 36512213 its reverse (31221563), we get a palindrome (67733776).

The spelling of 36512213 in words is "thirty-six million, five hundred twelve thousand, two hundred thirteen".