434035321 has 2 divisors, whose sum is σ = 434035322. Its totient is φ = 434035320.

The previous prime is 434035319. The next prime is 434035331. The reversal of 434035321 is 123530434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289170025 + 144865296 = 17005^2 + 12036^2 .

It is a cyclic number.

It is not a de Polignac number, because 434035321 - 2¹ = 434035319 is a prime.

Together with 434035319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (434035331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217017660 + 217017661.

It is an arithmetic number, because the mean of its divisors is an integer number (217017661).

Almost surely, 2^434035321 is an apocalyptic number.

It is an amenable number.

434035321 is a deficient number, since it is larger than the sum of its proper divisors (1).

434035321 is an equidigital number, since it uses as much as digits as its factorization.

434035321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 434035321 is about 20833.5143698801. The cubic root of 434035321 is about 757.1379665435.

Adding to 434035321 its reverse (123530434), we get a palindrome (557565755).

The spelling of 434035321 in words is "four hundred thirty-four million, thirty-five thousand, three hundred twenty-one".