328132501 has 2 divisors, whose sum is σ = 328132502. Its totient is φ = 328132500.

The previous prime is 328132447. The next prime is 328132531. The reversal of 328132501 is 105231823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270767025 + 57365476 = 16455^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 328132501 - 2⁷ = 328132373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328132531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164066250 + 164066251.

It is an arithmetic number, because the mean of its divisors is an integer number (164066251).

Almost surely, 2^328132501 is an apocalyptic number.

It is an amenable number.

328132501 is a deficient number, since it is larger than the sum of its proper divisors (1).

328132501 is an equidigital number, since it uses as much as digits as its factorization.

328132501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 328132501 is about 18114.4279788240. The cubic root of 328132501 is about 689.7362998496.

The spelling of 328132501 in words is "three hundred twenty-eight million, one hundred thirty-two thousand, five hundred one".