5636009 has 2 divisors, whose sum is σ = 5636010. Its totient is φ = 5636008.

The previous prime is 5636003. The next prime is 5636039. The reversal of 5636009 is 9006365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 595984 = 2245^2 + 772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5636009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5636003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818004 + 2818005.

It is an arithmetic number, because the mean of its divisors is an integer number (2818005).

Almost surely, 2^5636009 is an apocalyptic number.

It is an amenable number.

5636009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636009 is an equidigital number, since it uses as much as digits as its factorization.

5636009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 5636009 is about 2374.0280116292. The cubic root of 5636009 is about 177.9606128397.

The spelling of 5636009 in words is "five million, six hundred thirty-six thousand, nine".