1328533075 has 6 divisors (see below), whose sum is σ = 1647381044. Its totient is φ = 1062826440.

The previous prime is 1328533069. The next prime is 1328533081. The reversal of 1328533075 is 5703358231.

It is an interprime number because it is at equal distance from previous prime (1328533069) and next prime (1328533081).

It is not a de Polignac number, because 1328533075 - 2⁹ = 1328532563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26570637 + ... + 26570686.

Almost surely, 2^1328533075 is an apocalyptic number.

1328533075 is a deficient number, since it is larger than the sum of its proper divisors (318847969).

1328533075 is an equidigital number, since it uses as much as digits as its factorization.

1328533075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53141333 (or 53141328 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 1328533075 is about 36449.0476555973. The cubic root of 1328533075 is about 1099.3199860418.

It can be divided in two parts, 13285 and 33075, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 1328533075 in words is "one billion, three hundred twenty-eight million, five hundred thirty-three thousand, seventy-five".