4999243 has 2 divisors, whose sum is σ = 4999244. Its totient is φ = 4999242.

The previous prime is 4999237. The next prime is 4999273. The reversal of 4999243 is 3429994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4999243 - 2²¹ = 2902091 is a prime.

4999243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4999196 and 4999205.

It is not a weakly prime, because it can be changed into another prime (4999273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499621 + 2499622.

It is an arithmetic number, because the mean of its divisors is an integer number (2499622).

Almost surely, 2^4999243 is an apocalyptic number.

4999243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999243 is an equidigital number, since it uses as much as digits as its factorization.

4999243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 4999243 is about 2235.8987007465. The cubic root of 4999243 is about 170.9889645535.

The spelling of 4999243 in words is "four million, nine hundred ninety-nine thousand, two hundred forty-three".