424401163 has 2 divisors, whose sum is σ = 424401164. Its totient is φ = 424401162.

The previous prime is 424401149. The next prime is 424401169. The reversal of 424401163 is 361104424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424401163 is a prime.

It is not a weakly prime, because it can be changed into another prime (424401169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212200581 + 212200582.

It is an arithmetic number, because the mean of its divisors is an integer number (212200582).

Almost surely, 2^424401163 is an apocalyptic number.

424401163 is a deficient number, since it is larger than the sum of its proper divisors (1).

424401163 is an equidigital number, since it uses as much as digits as its factorization.

424401163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 424401163 is about 20600.9990777147. Note that the first 3 decimals coincide. The cubic root of 424401163 is about 751.4940074278.

Adding to 424401163 its reverse (361104424), we get a palindrome (785505587).

The spelling of 424401163 in words is "four hundred twenty-four million, four hundred one thousand, one hundred sixty-three".