461172163 has 2 divisors, whose sum is σ = 461172164. Its totient is φ = 461172162.

The previous prime is 461172137. The next prime is 461172167. The reversal of 461172163 is 361271164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461172163 is a prime.

It is not a weakly prime, because it can be changed into another prime (461172167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230586081 + 230586082.

It is an arithmetic number, because the mean of its divisors is an integer number (230586082).

Almost surely, 2^461172163 is an apocalyptic number.

461172163 is a deficient number, since it is larger than the sum of its proper divisors (1).

461172163 is an equidigital number, since it uses as much as digits as its factorization.

461172163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 461172163 is about 21474.9193944937. The cubic root of 461172163 is about 772.5993912117.

Subtracting from 461172163 its reverse (361271164), we obtain a palindrome (99900999).

The spelling of 461172163 in words is "four hundred sixty-one million, one hundred seventy-two thousand, one hundred sixty-three".