4243069 has 2 divisors, whose sum is σ = 4243070. Its totient is φ = 4243068.

The previous prime is 4243067. The next prime is 4243087. The reversal of 4243069 is 9603424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 1127844 = 1765^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243069 - 2¹ = 4243067 is a prime.

It is a super-2 number, since 2×4243069² = 36007269077522, which contains 22 as substring.

Together with 4243067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243067) 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, 2121534 + 2121535.

It is an arithmetic number, because the mean of its divisors is an integer number (2121535).

Almost surely, 2^4243069 is an apocalyptic number.

It is an amenable number.

4243069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243069 is an equidigital number, since it uses as much as digits as its factorization.

4243069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4243069 is about 2059.8711124728. The cubic root of 4243069 is about 161.8924882345.

The spelling of 4243069 in words is "four million, two hundred forty-three thousand, sixty-nine".