5109791 has 2 divisors, whose sum is σ = 5109792. Its totient is φ = 5109790.

The previous prime is 5109773. The next prime is 5109821. The reversal of 5109791 is 1979015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5109791 - 2¹⁰ = 5108767 is a prime.

It is a super-2 number, since 2×5109791² = 52219928127362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5109721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554895 + 2554896.

It is an arithmetic number, because the mean of its divisors is an integer number (2554896).

Almost surely, 2^5109791 is an apocalyptic number.

5109791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5109791 is an equidigital number, since it uses as much as digits as its factorization.

5109791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 5109791 is about 2260.4846825405. The cubic root of 5109791 is about 172.2401436470.

It can be divided in two parts, 510 and 9791, that added together give a palindrome (10301).

The spelling of 5109791 in words is "five million, one hundred nine thousand, seven hundred ninety-one".