36548009 has 2 divisors, whose sum is σ = 36548010. Its totient is φ = 36548008.

The previous prime is 36548003. The next prime is 36548047. The reversal of 36548009 is 90084563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 7441984 = 5395^2 + 2728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36548009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36548009.

It is not a weakly prime, because it can be changed into another prime (36548003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18274004 + 18274005.

It is an arithmetic number, because the mean of its divisors is an integer number (18274005).

Almost surely, 2^36548009 is an apocalyptic number.

It is an amenable number.

36548009 is a deficient number, since it is larger than the sum of its proper divisors (1).

36548009 is an equidigital number, since it uses as much as digits as its factorization.

36548009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 36548009 is about 6045.4949342465. The cubic root of 36548009 is about 331.8597444290.

The spelling of 36548009 in words is "thirty-six million, five hundred forty-eight thousand, nine".