420330601 has 2 divisors, whose sum is σ = 420330602. Its totient is φ = 420330600.

The previous prime is 420330587. The next prime is 420330607. The reversal of 420330601 is 106033024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326705625 + 93624976 = 18075^2 + 9676^2 .

It is a cyclic number.

It is not a de Polignac number, because 420330601 - 2⁷ = 420330473 is a prime.

It is not a weakly prime, because it can be changed into another prime (420330607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210165300 + 210165301.

It is an arithmetic number, because the mean of its divisors is an integer number (210165301).

Almost surely, 2^420330601 is an apocalyptic number.

It is an amenable number.

420330601 is a deficient number, since it is larger than the sum of its proper divisors (1).

420330601 is an equidigital number, since it uses as much as digits as its factorization.

420330601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 420330601 is about 20501.9657837974. The cubic root of 420330601 is about 749.0836815291.

Adding to 420330601 its reverse (106033024), we get a palindrome (526363625).

The spelling of 420330601 in words is "four hundred twenty million, three hundred thirty thousand, six hundred one".