426035243 has 2 divisors, whose sum is σ = 426035244. Its totient is φ = 426035242.

The previous prime is 426035231. The next prime is 426035297. The reversal of 426035243 is 342530624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426035243 - 2⁶ = 426035179 is a prime.

It is not a weakly prime, because it can be changed into another prime (426038243) 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, 213017621 + 213017622.

It is an arithmetic number, because the mean of its divisors is an integer number (213017622).

Almost surely, 2^426035243 is an apocalyptic number.

426035243 is a deficient number, since it is larger than the sum of its proper divisors (1).

426035243 is an equidigital number, since it uses as much as digits as its factorization.

426035243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 426035243 is about 20640.6211873577. The cubic root of 426035243 is about 752.4572694948.

Adding to 426035243 its reverse (342530624), we get a palindrome (768565867).

The spelling of 426035243 in words is "four hundred twenty-six million, thirty-five thousand, two hundred forty-three".