5003891 has 4 divisors (see below), whose sum is σ = 5085984. Its totient is φ = 4921800.

The previous prime is 5003881. The next prime is 5003893. The reversal of 5003891 is 1983005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1983005 = 5 ⋅396601.

It is a cyclic number.

It is not a de Polignac number, because 5003891 - 2⁶ = 5003827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5003891.

It is not an unprimeable number, because it can be changed into a prime (5003893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40955 + ... + 41076.

It is an arithmetic number, because the mean of its divisors is an integer number (1271496).

Almost surely, 2^5003891 is an apocalyptic number.

5003891 is a deficient number, since it is larger than the sum of its proper divisors (82093).

5003891 is an equidigital number, since it uses as much as digits as its factorization.

5003891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82092.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5003891 is about 2236.9378623466. The cubic root of 5003891 is about 171.0419399426.

Adding to 5003891 its reverse (1983005), we get a palindrome (6986896).

The spelling of 5003891 in words is "five million, three thousand, eight hundred ninety-one".