5909993 has 2 divisors, whose sum is σ = 5909994. Its totient is φ = 5909992.

The previous prime is 5909987. The next prime is 5910029. The reversal of 5909993 is 3999095.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4853209 + 1056784 = 2203^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 5909993 - 2⁸ = 5909737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5909903) 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, 2954996 + 2954997.

It is an arithmetic number, because the mean of its divisors is an integer number (2954997).

Almost surely, 2^5909993 is an apocalyptic number.

It is an amenable number.

5909993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5909993 is an equidigital number, since it uses as much as digits as its factorization.

5909993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 44.

The square root of 5909993 is about 2431.0477165206. The cubic root of 5909993 is about 180.7988465644.

The spelling of 5909993 in words is "five million, nine hundred nine thousand, nine hundred ninety-three".