5091043 has 4 divisors (see below), whose sum is σ = 5096520. Its totient is φ = 5085568.

The previous prime is 5091019. The next prime is 5091061. The reversal of 5091043 is 3401905.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5091043 - 2²¹ = 2993891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091013) 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, 958 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (1274130).

Almost surely, 2^5091043 is an apocalyptic number.

5091043 is a deficient number, since it is larger than the sum of its proper divisors (5477).

5091043 is a wasteful number, since it uses less digits than its factorization.

5091043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5091043 is about 2256.3339735066. Note that the first 3 decimals coincide. The cubic root of 5091043 is about 172.0292338087.

Adding to 5091043 its reverse (3401905), we get a palindrome (8492948).

The spelling of 5091043 in words is "five million, ninety-one thousand, forty-three".