5665039 has 2 divisors, whose sum is σ = 5665040. Its totient is φ = 5665038.

The previous prime is 5665027. The next prime is 5665043. The reversal of 5665039 is 9305665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665039 - 2¹⁵ = 5632271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5664995 and 5665013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832519 + 2832520.

It is an arithmetic number, because the mean of its divisors is an integer number (2832520).

Almost surely, 2^5665039 is an apocalyptic number.

5665039 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665039 is an equidigital number, since it uses as much as digits as its factorization.

5665039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 5665039 is about 2380.1342399117. The cubic root of 5665039 is about 178.2656367114.

The spelling of 5665039 in words is "five million, six hundred sixty-five thousand, thirty-nine".