5107891 has 2 divisors, whose sum is σ = 5107892. Its totient is φ = 5107890.

The previous prime is 5107831. The next prime is 5107897. The reversal of 5107891 is 1987015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5107891 - 2⁹ = 5107379 is a prime.

It is not a weakly prime, because it can be changed into another prime (5107897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553945 + 2553946.

It is an arithmetic number, because the mean of its divisors is an integer number (2553946).

Almost surely, 2^5107891 is an apocalyptic number.

5107891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5107891 is an equidigital number, since it uses as much as digits as its factorization.

5107891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 5107891 is about 2260.0643796140. The cubic root of 5107891 is about 172.2187926862.

The spelling of 5107891 in words is "five million, one hundred seven thousand, eight hundred ninety-one".