36445009 has 2 divisors, whose sum is σ = 36445010. Its totient is φ = 36445008.

The previous prime is 36445001. The next prime is 36445027. The reversal of 36445009 is 90054463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31809600 + 4635409 = 5640^2 + 2153^2 .

It is an emirp because it is prime and its reverse (90054463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36445009 - 2³ = 36445001 is a prime.

It is not a weakly prime, because it can be changed into another prime (36445001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18222504 + 18222505.

It is an arithmetic number, because the mean of its divisors is an integer number (18222505).

Almost surely, 2^36445009 is an apocalyptic number.

It is an amenable number.

36445009 is a deficient number, since it is larger than the sum of its proper divisors (1).

36445009 is an equidigital number, since it uses as much as digits as its factorization.

36445009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 36445009 is about 6036.9701837925. The cubic root of 36445009 is about 331.5477008525.

The spelling of 36445009 in words is "thirty-six million, four hundred forty-five thousand, nine".