328275557 has 2 divisors, whose sum is σ = 328275558. Its totient is φ = 328275556.

The previous prime is 328275547. The next prime is 328275583. The reversal of 328275557 is 755572823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176517796 + 151757761 = 13286^2 + 12319^2 .

It is a cyclic number.

It is not a de Polignac number, because 328275557 - 2²² = 324081253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328275547) 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, 164137778 + 164137779.

It is an arithmetic number, because the mean of its divisors is an integer number (164137779).

Almost surely, 2^328275557 is an apocalyptic number.

It is an amenable number.

328275557 is a deficient number, since it is larger than the sum of its proper divisors (1).

328275557 is an equidigital number, since it uses as much as digits as its factorization.

328275557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588000, while the sum is 44.

The square root of 328275557 is about 18118.3762241543. The cubic root of 328275557 is about 689.8365201164.

The spelling of 328275557 in words is "three hundred twenty-eight million, two hundred seventy-five thousand, five hundred fifty-seven".