328541273 has 2 divisors, whose sum is σ = 328541274. Its totient is φ = 328541272.

The previous prime is 328541249. The next prime is 328541287. The reversal of 328541273 is 372145823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179774464 + 148766809 = 13408^2 + 12197^2 .

It is a cyclic number.

It is not a de Polignac number, because 328541273 - 2¹² = 328537177 is a prime.

It is not a weakly prime, because it can be changed into another prime (328540273) 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, 164270636 + 164270637.

It is an arithmetic number, because the mean of its divisors is an integer number (164270637).

Almost surely, 2^328541273 is an apocalyptic number.

It is an amenable number.

328541273 is a deficient number, since it is larger than the sum of its proper divisors (1).

328541273 is an equidigital number, since it uses as much as digits as its factorization.

328541273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 328541273 is about 18125.7075172254. The cubic root of 328541273 is about 690.0225946532.

The spelling of 328541273 in words is "three hundred twenty-eight million, five hundred forty-one thousand, two hundred seventy-three".