420163 has 2 divisors, whose sum is σ = 420164. Its totient is φ = 420162.

The previous prime is 420149. The next prime is 420191. The reversal of 420163 is 361024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420163 - 2⁹ = 419651 is a prime.

420163 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (420103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210081 + 210082.

It is an arithmetic number, because the mean of its divisors is an integer number (210082).

2⁴²⁰¹⁶³ is an apocalyptic number.

420163 is a deficient number, since it is larger than the sum of its proper divisors (1).

420163 is an equidigital number, since it uses as much as digits as its factorization.

420163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420163 is about 648.1998148719. The cubic root of 420163 is about 74.8984106049.

Adding to 420163 its reverse (361024), we get a palindrome (781187).

The spelling of 420163 in words is "four hundred twenty thousand, one hundred sixty-three".