5999993 has 2 divisors, whose sum is σ = 5999994. Its totient is φ = 5999992.

The previous prime is 5999947. The next prime is 6000011. The reversal of 5999993 is 3999995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3888784 + 2111209 = 1972^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 5999993 - 2⁸ = 5999737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5999923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999996 + 2999997.

It is an arithmetic number, because the mean of its divisors is an integer number (2999997).

Almost surely, 2^5999993 is an apocalyptic number.

It is an amenable number.

5999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5999993 is an equidigital number, since it uses as much as digits as its factorization.

5999993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 885735, while the sum is 53.

The square root of 5999993 is about 2449.4883139137. The cubic root of 5999993 is about 181.7119886174.

The spelling of 5999993 in words is "five million, nine hundred ninety-nine thousand, nine hundred ninety-three".