36107209 has 2 divisors, whose sum is σ = 36107210. Its totient is φ = 36107208.

The previous prime is 36107207. The next prime is 36107221. The reversal of 36107209 is 90270163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34257609 + 1849600 = 5853^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 36107209 - 2¹ = 36107207 is a prime.

Together with 36107207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36107207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18053604 + 18053605.

It is an arithmetic number, because the mean of its divisors is an integer number (18053605).

Almost surely, 2^36107209 is an apocalyptic number.

It is an amenable number.

36107209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36107209 is an equidigital number, since it uses as much as digits as its factorization.

36107209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 36107209 is about 6008.9274417320. The cubic root of 36107209 is about 330.5201744219.

The spelling of 36107209 in words is "thirty-six million, one hundred seven thousand, two hundred nine".