328273201 has 2 divisors, whose sum is σ = 328273202. Its totient is φ = 328273200.

The previous prime is 328273199. The next prime is 328273219. The reversal of 328273201 is 102372823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241336225 + 86936976 = 15535^2 + 9324^2 .

It is a cyclic number.

It is not a de Polignac number, because 328273201 - 2¹ = 328273199 is a prime.

Together with 328273199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 328273201.

It is not a weakly prime, because it can be changed into another prime (328273501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164136600 + 164136601.

It is an arithmetic number, because the mean of its divisors is an integer number (164136601).

Almost surely, 2^328273201 is an apocalyptic number.

It is an amenable number.

328273201 is a deficient number, since it is larger than the sum of its proper divisors (1).

328273201 is an equidigital number, since it uses as much as digits as its factorization.

328273201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 328273201 is about 18118.3112071738. The cubic root of 328273201 is about 689.8348698171.

It can be divided in two parts, 328 and 273201, that added together give a square (273529 = 523²).

The spelling of 328273201 in words is "three hundred twenty-eight million, two hundred seventy-three thousand, two hundred one".