5565139 has 2 divisors, whose sum is σ = 5565140. Its totient is φ = 5565138.

The previous prime is 5565127. The next prime is 5565163. The reversal of 5565139 is 9315655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5565139 - 2¹¹ = 5563091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5565169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782569 + 2782570.

It is an arithmetic number, because the mean of its divisors is an integer number (2782570).

Almost surely, 2^5565139 is an apocalyptic number.

5565139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565139 is an equidigital number, since it uses as much as digits as its factorization.

5565139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 34.

The square root of 5565139 is about 2359.0546835544. The cubic root of 5565139 is about 177.2115423218.

The spelling of 5565139 in words is "five million, five hundred sixty-five thousand, one hundred thirty-nine".