5091899 has 2 divisors, whose sum is σ = 5091900. Its totient is φ = 5091898.

The previous prime is 5091887. The next prime is 5091923. The reversal of 5091899 is 9981905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5091899 - 2⁴ = 5091883 is a prime.

It is not a weakly prime, because it can be changed into another prime (5091199) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545949 + 2545950.

It is an arithmetic number, because the mean of its divisors is an integer number (2545950).

Almost surely, 2^5091899 is an apocalyptic number.

5091899 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091899 is an equidigital number, since it uses as much as digits as its factorization.

5091899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 5091899 is about 2256.5236537648. The cubic root of 5091899 is about 172.0388748438.

The spelling of 5091899 in words is "five million, ninety-one thousand, eight hundred ninety-nine".