5113891 has 2 divisors, whose sum is σ = 5113892. Its totient is φ = 5113890.

The previous prime is 5113877. The next prime is 5113931. The reversal of 5113891 is 1983115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5113891 - 2⁵ = 5113859 is a prime.

It is not a weakly prime, because it can be changed into another prime (5113391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556945 + 2556946.

It is an arithmetic number, because the mean of its divisors is an integer number (2556946).

Almost surely, 2^5113891 is an apocalyptic number.

5113891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113891 is an equidigital number, since it uses as much as digits as its factorization.

5113891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 28.

The square root of 5113891 is about 2261.3913858508. The cubic root of 5113891 is about 172.2861987464.

The spelling of 5113891 in words is "five million, one hundred thirteen thousand, eight hundred ninety-one".