5191799 has 2 divisors, whose sum is σ = 5191800. Its totient is φ = 5191798.

The previous prime is 5191793. The next prime is 5191819. The reversal of 5191799 is 9971915.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5191799 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5191793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595899 + 2595900.

It is an arithmetic number, because the mean of its divisors is an integer number (2595900).

Almost surely, 2^5191799 is an apocalyptic number.

5191799 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191799 is an equidigital number, since it uses as much as digits as its factorization.

5191799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515, while the sum is 41.

The square root of 5191799 is about 2278.5519524470. The cubic root of 5191799 is about 173.1566958784.

The spelling of 5191799 in words is "five million, one hundred ninety-one thousand, seven hundred ninety-nine".