4249943 has 2 divisors, whose sum is σ = 4249944. Its totient is φ = 4249942.

The previous prime is 4249913. The next prime is 4249951. The reversal of 4249943 is 3499424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4249943 - 2¹⁰ = 4248919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4249913) 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, 2124971 + 2124972.

It is an arithmetic number, because the mean of its divisors is an integer number (2124972).

Almost surely, 2^4249943 is an apocalyptic number.

4249943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249943 is an equidigital number, since it uses as much as digits as its factorization.

4249943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 4249943 is about 2061.5389882319. The cubic root of 4249943 is about 161.9798659121.

The spelling of 4249943 in words is "four million, two hundred forty-nine thousand, nine hundred forty-three".