420333341 has 2 divisors, whose sum is σ = 420333342. Its totient is φ = 420333340.

The previous prime is 420333323. The next prime is 420333379. The reversal of 420333341 is 143333024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393189241 + 27144100 = 19829^2 + 5210^2 .

It is a cyclic number.

It is not a de Polignac number, because 420333341 - 2²⁶ = 353224477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420333241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210166670 + 210166671.

It is an arithmetic number, because the mean of its divisors is an integer number (210166671).

Almost surely, 2^420333341 is an apocalyptic number.

It is an amenable number.

420333341 is a deficient number, since it is larger than the sum of its proper divisors (1).

420333341 is an equidigital number, since it uses as much as digits as its factorization.

420333341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 420333341 is about 20502.0326065490. The cubic root of 420333341 is about 749.0853092041.

Adding to 420333341 its reverse (143333024), we get a palindrome (563666365).

The spelling of 420333341 in words is "four hundred twenty million, three hundred thirty-three thousand, three hundred forty-one".