324161897 has 2 divisors, whose sum is σ = 324161898. Its totient is φ = 324161896.

The previous prime is 324161861. The next prime is 324161911. The reversal of 324161897 is 798161423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315275536 + 8886361 = 17756^2 + 2981^2 .

It is an emirp because it is prime and its reverse (798161423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324161897 - 2¹⁴ = 324145513 is a prime.

It is equal to p_17487635 and since 324161897 and 17487635 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (324161297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162080948 + 162080949.

It is an arithmetic number, because the mean of its divisors is an integer number (162080949).

Almost surely, 2^324161897 is an apocalyptic number.

It is an amenable number.

324161897 is a deficient number, since it is larger than the sum of its proper divisors (1).

324161897 is an equidigital number, since it uses as much as digits as its factorization.

324161897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 324161897 is about 18004.4965772443. The cubic root of 324161897 is about 686.9429251260.

The spelling of 324161897 in words is "three hundred twenty-four million, one hundred sixty-one thousand, eight hundred ninety-seven".