5003993 has 2 divisors, whose sum is σ = 5003994. Its totient is φ = 5003992.

The previous prime is 5003983. The next prime is 5004007. The reversal of 5003993 is 3993005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4609609 + 394384 = 2147^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003993 - 2⁸ = 5003737 is a prime.

It is not a weakly prime, because it can be changed into another prime (5003923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501996 + 2501997.

It is an arithmetic number, because the mean of its divisors is an integer number (2501997).

Almost surely, 2^5003993 is an apocalyptic number.

It is an amenable number.

5003993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003993 is an equidigital number, since it uses as much as digits as its factorization.

5003993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 5003993 is about 2236.9606612545. The cubic root of 5003993 is about 171.0431021154.

Adding to 5003993 its reverse (3993005), we get a palindrome (8996998).

The spelling of 5003993 in words is "five million, three thousand, nine hundred ninety-three".