36549109 has 2 divisors, whose sum is σ = 36549110. Its totient is φ = 36549108.

The previous prime is 36549101. The next prime is 36549157. The reversal of 36549109 is 90194563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 908209 = 5970^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 36549109 - 2³ = 36549101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36549101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18274554 + 18274555.

It is an arithmetic number, because the mean of its divisors is an integer number (18274555).

Almost surely, 2^36549109 is an apocalyptic number.

It is an amenable number.

36549109 is a deficient number, since it is larger than the sum of its proper divisors (1).

36549109 is an equidigital number, since it uses as much as digits as its factorization.

36549109 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 37.

The square root of 36549109 is about 6045.5859103978. The cubic root of 36549109 is about 331.8630737673.

The spelling of 36549109 in words is "thirty-six million, five hundred forty-nine thousand, one hundred nine".