5243993 has 2 divisors, whose sum is σ = 5243994. Its totient is φ = 5243992.

The previous prime is 5243971. The next prime is 5244011. The reversal of 5243993 is 3993425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3193369 + 2050624 = 1787^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243993 - 2⁸ = 5243737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5243923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621996 + 2621997.

It is an arithmetic number, because the mean of its divisors is an integer number (2621997).

Almost surely, 2^5243993 is an apocalyptic number.

It is an amenable number.

5243993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243993 is an equidigital number, since it uses as much as digits as its factorization.

5243993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 5243993 is about 2289.9766374354. The cubic root of 5243993 is about 173.7350196701.

The spelling of 5243993 in words is "five million, two hundred forty-three thousand, nine hundred ninety-three".