5605939 has 2 divisors, whose sum is σ = 5605940. Its totient is φ = 5605938.

The previous prime is 5605927. The next prime is 5605949. The reversal of 5605939 is 9395065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5605939 - 2⁷ = 5605811 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5605898 and 5605907.

It is not a weakly prime, because it can be changed into another prime (5605909) 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, 2802969 + 2802970.

It is an arithmetic number, because the mean of its divisors is an integer number (2802970).

Almost surely, 2^5605939 is an apocalyptic number.

5605939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605939 is an equidigital number, since it uses as much as digits as its factorization.

5605939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5605939 is about 2367.6864234945. The cubic root of 5605939 is about 177.6435550962.

The spelling of 5605939 in words is "five million, six hundred five thousand, nine hundred thirty-nine".