5431993 has 12 divisors (see below), whose sum is σ = 6691572. Its totient is φ = 4381440.

The previous prime is 5431973. The next prime is 5432017. The reversal of 5431993 is 3991345.

It can be written as a sum of positive squares in 2 ways, for example, as 4678569 + 753424 = 2163^2 + 868^2 .

It is not a de Polignac number, because 5431993 - 2¹⁷ = 5300921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2428 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (557631).

Almost surely, 2^5431993 is an apocalyptic number.

It is an amenable number.

5431993 is a deficient number, since it is larger than the sum of its proper divisors (1259579).

5431993 is a wasteful number, since it uses less digits than its factorization.

5431993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6545 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 5431993 is about 2330.6636393954. The cubic root of 5431993 is about 175.7868567344.

The spelling of 5431993 in words is "five million, four hundred thirty-one thousand, nine hundred ninety-three".