4243427 has 2 divisors, whose sum is σ = 4243428. Its totient is φ = 4243426.

The previous prime is 4243411. The next prime is 4243429. The reversal of 4243427 is 7243424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4243427 - 2⁴ = 4243411 is a prime.

Together with 4243429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4243396 and 4243405.

It is not a weakly prime, because it can be changed into another prime (4243429) 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, 2121713 + 2121714.

It is an arithmetic number, because the mean of its divisors is an integer number (2121714).

Almost surely, 2^4243427 is an apocalyptic number.

4243427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243427 is an equidigital number, since it uses as much as digits as its factorization.

4243427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 26.

The square root of 4243427 is about 2059.9580092808. The cubic root of 4243427 is about 161.8970412189.

The spelling of 4243427 in words is "four million, two hundred forty-three thousand, four hundred twenty-seven".