5140443 has 54 divisors (see below), whose sum is σ = 9309468. Its totient is φ = 2513280.

The previous prime is 5140411. The next prime is 5140459. The reversal of 5140443 is 3440415.

It is not a de Polignac number, because 5140443 - 2⁵ = 5140411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5140403) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 302371 + ... + 302387.

Almost surely, 2^5140443 is an apocalyptic number.

5140443 is a deficient number, since it is larger than the sum of its proper divisors (4169025).

5140443 is a wasteful number, since it uses less digits than its factorization.

5140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 5140443 is about 2267.2545071077. The cubic root of 5140443 is about 172.5838617650.

Adding to 5140443 its reverse (3440415), we get a palindrome (8580858).

The spelling of 5140443 in words is "five million, one hundred forty thousand, four hundred forty-three".