328179197 has 2 divisors, whose sum is σ = 328179198. Its totient is φ = 328179196.

The previous prime is 328179179. The next prime is 328179217. The reversal of 328179197 is 791971823.

Together with previous prime (328179179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327284281 + 894916 = 18091^2 + 946^2 .

It is an emirp because it is prime and its reverse (791971823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328179197 - 2⁶ = 328179133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328179997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164089598 + 164089599.

It is an arithmetic number, because the mean of its divisors is an integer number (164089599).

Almost surely, 2^328179197 is an apocalyptic number.

It is an amenable number.

328179197 is a deficient number, since it is larger than the sum of its proper divisors (1).

328179197 is an equidigital number, since it uses as much as digits as its factorization.

328179197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 47.

The square root of 328179197 is about 18115.7168502933. The cubic root of 328179197 is about 689.7690167129.

The spelling of 328179197 in words is "three hundred twenty-eight million, one hundred seventy-nine thousand, one hundred ninety-seven".