421300163 has 2 divisors, whose sum is σ = 421300164. Its totient is φ = 421300162.

The previous prime is 421300157. The next prime is 421300169. The reversal of 421300163 is 361003124.

It is a balanced prime because it is at equal distance from previous prime (421300157) and next prime (421300169).

It is a cyclic number.

It is not a de Polignac number, because 421300163 - 2⁴ = 421300147 is a prime.

It is not a weakly prime, because it can be changed into another prime (421300169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210650081 + 210650082.

It is an arithmetic number, because the mean of its divisors is an integer number (210650082).

Almost surely, 2^421300163 is an apocalyptic number.

421300163 is a deficient number, since it is larger than the sum of its proper divisors (1).

421300163 is an equidigital number, since it uses as much as digits as its factorization.

421300163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 421300163 is about 20525.5977501265. The cubic root of 421300163 is about 749.6592010167.

Adding to 421300163 its reverse (361003124), we get a palindrome (782303287).

The spelling of 421300163 in words is "four hundred twenty-one million, three hundred thousand, one hundred sixty-three".