323161249 has 2 divisors, whose sum is σ = 323161250. Its totient is φ = 323161248.

The previous prime is 323161243. The next prime is 323161259. The reversal of 323161249 is 942161323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321951249 + 1210000 = 17943^2 + 1100^2 .

It is an emirp because it is prime and its reverse (942161323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323161249 - 2⁷ = 323161121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323161249.

It is not a weakly prime, because it can be changed into another prime (323161243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161580624 + 161580625.

It is an arithmetic number, because the mean of its divisors is an integer number (161580625).

Almost surely, 2^323161249 is an apocalyptic number.

It is an amenable number.

323161249 is a deficient number, since it is larger than the sum of its proper divisors (1).

323161249 is an equidigital number, since it uses as much as digits as its factorization.

323161249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 323161249 is about 17976.6862630464. The cubic root of 323161249 is about 686.2353603976.

The spelling of 323161249 in words is "three hundred twenty-three million, one hundred sixty-one thousand, two hundred forty-nine".