328111061 has 2 divisors, whose sum is σ = 328111062. Its totient is φ = 328111060.

The previous prime is 328111039. The next prime is 328111073. The reversal of 328111061 is 160111823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288660100 + 39450961 = 16990^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 328111061 - 2²⁶ = 261002197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328111081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164055530 + 164055531.

It is an arithmetic number, because the mean of its divisors is an integer number (164055531).

Almost surely, 2^328111061 is an apocalyptic number.

It is an amenable number.

328111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

328111061 is an equidigital number, since it uses as much as digits as its factorization.

328111061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 328111061 is about 18113.8361756973. The cubic root of 328111061 is about 689.7212771902.

Adding to 328111061 its reverse (160111823), we get a palindrome (488222884).

The spelling of 328111061 in words is "three hundred twenty-eight million, one hundred eleven thousand, sixty-one".