5078891 has 2 divisors, whose sum is σ = 5078892. Its totient is φ = 5078890.

The previous prime is 5078873. The next prime is 5078893. The reversal of 5078891 is 1988705.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5078891 is a prime.

Together with 5078893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5078893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539445 + 2539446.

It is an arithmetic number, because the mean of its divisors is an integer number (2539446).

Almost surely, 2^5078891 is an apocalyptic number.

5078891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5078891 is an equidigital number, since it uses as much as digits as its factorization.

5078891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5078891 is about 2253.6395008963. The cubic root of 5078891 is about 171.8922504339.

The spelling of 5078891 in words is "five million, seventy-eight thousand, eight hundred ninety-one".