5019943 has 2 divisors, whose sum is σ = 5019944. Its totient is φ = 5019942.

The previous prime is 5019919. The next prime is 5019961. The reversal of 5019943 is 3499105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5019943 - 2⁹ = 5019431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5019983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509971 + 2509972.

It is an arithmetic number, because the mean of its divisors is an integer number (2509972).

Almost surely, 2^5019943 is an apocalyptic number.

5019943 is a deficient number, since it is larger than the sum of its proper divisors (1).

5019943 is an equidigital number, since it uses as much as digits as its factorization.

5019943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5019943 is about 2240.5229300322. The cubic root of 5019943 is about 171.2246400723.

The spelling of 5019943 in words is "five million, nineteen thousand, nine hundred forty-three".