36536209 has 2 divisors, whose sum is σ = 36536210. Its totient is φ = 36536208.

The previous prime is 36536173. The next prime is 36536231. The reversal of 36536209 is 90263563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32455809 + 4080400 = 5697^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 36536209 - 2⁷ = 36536081 is a prime.

It is not a weakly prime, because it can be changed into another prime (36536299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18268104 + 18268105.

It is an arithmetic number, because the mean of its divisors is an integer number (18268105).

Almost surely, 2^36536209 is an apocalyptic number.

It is an amenable number.

36536209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36536209 is an equidigital number, since it uses as much as digits as its factorization.

36536209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 36536209 is about 6044.5189221310. The cubic root of 36536209 is about 331.8240255065.

The spelling of 36536209 in words is "thirty-six million, five hundred thirty-six thousand, two hundred nine".