5636539 has 2 divisors, whose sum is σ = 5636540. Its totient is φ = 5636538.

The previous prime is 5636471. The next prime is 5636551. The reversal of 5636539 is 9356365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5636539 - 2¹¹ = 5634491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5636498 and 5636507.

It is not a weakly prime, because it can be changed into another prime (5636039) 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, 2818269 + 2818270.

It is an arithmetic number, because the mean of its divisors is an integer number (2818270).

Almost surely, 2^5636539 is an apocalyptic number.

5636539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636539 is an equidigital number, since it uses as much as digits as its factorization.

5636539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 37.

The square root of 5636539 is about 2374.1396336357. The cubic root of 5636539 is about 177.9661910286.

The spelling of 5636539 in words is "five million, six hundred thirty-six thousand, five hundred thirty-nine".