5203993 has 4 divisors (see below), whose sum is σ = 5224500. Its totient is φ = 5183488.

The previous prime is 5203969. The next prime is 5203997. The reversal of 5203993 is 3993025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 1471369 = 1932^2 + 1213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5203993 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5203997) 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 in 3 ways as a sum of consecutive naturals, for example, 9868 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (1306125).

Almost surely, 2^5203993 is an apocalyptic number.

It is an amenable number.

5203993 is a deficient number, since it is larger than the sum of its proper divisors (20507).

5203993 is a wasteful number, since it uses less digits than its factorization.

5203993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20506.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 5203993 is about 2281.2262053554. The cubic root of 5203993 is about 173.2921545013.

The spelling of 5203993 in words is "five million, two hundred three thousand, nine hundred ninety-three".