420034333 has 2 divisors, whose sum is σ = 420034334. Its totient is φ = 420034332.

The previous prime is 420034331. The next prime is 420034357. The reversal of 420034333 is 333430024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217769049 + 202265284 = 14757^2 + 14222^2 .

It is a cyclic number.

It is not a de Polignac number, because 420034333 - 2¹ = 420034331 is a prime.

Together with 420034331, 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 (420034331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210017166 + 210017167.

It is an arithmetic number, because the mean of its divisors is an integer number (210017167).

Almost surely, 2^420034333 is an apocalyptic number.

It is an amenable number.

420034333 is a deficient number, since it is larger than the sum of its proper divisors (1).

420034333 is an equidigital number, since it uses as much as digits as its factorization.

420034333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 420034333 is about 20494.7391542318. The cubic root of 420034333 is about 748.9076441544.

Adding to 420034333 its reverse (333430024), we get a palindrome (753464357).

The spelling of 420034333 in words is "four hundred twenty million, thirty-four thousand, three hundred thirty-three".