420343201 has 2 divisors, whose sum is σ = 420343202. Its totient is φ = 420343200.

The previous prime is 420343141. The next prime is 420343223. The reversal of 420343201 is 102343024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366760801 + 53582400 = 19151^2 + 7320^2 .

It is a cyclic number.

It is not a de Polignac number, because 420343201 - 2⁷ = 420343073 is a prime.

It is not a weakly prime, because it can be changed into another prime (420340201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210171600 + 210171601.

It is an arithmetic number, because the mean of its divisors is an integer number (210171601).

Almost surely, 2^420343201 is an apocalyptic number.

It is an amenable number.

420343201 is a deficient number, since it is larger than the sum of its proper divisors (1).

420343201 is an equidigital number, since it uses as much as digits as its factorization.

420343201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420343201 is about 20502.2730691014. The cubic root of 420343201 is about 749.0911663994.

Adding to 420343201 its reverse (102343024), we get a palindrome (522686225).

The spelling of 420343201 in words is "four hundred twenty million, three hundred forty-three thousand, two hundred one".