1328025 has 12 divisors (see below), whose sum is σ = 2195792. Its totient is φ = 708240.

The previous prime is 1328017. The next prime is 1328051. The reversal of 1328025 is 5208231.

It is not a de Polignac number, because 1328025 - 2³ = 1328017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1327992 and 1328010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8779 + ... + 8928.

2^1328025 is an apocalyptic number.

1328025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1328025 is a deficient number, since it is larger than the sum of its proper divisors (867767).

1328025 is a wasteful number, since it uses less digits than its factorization.

1328025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720 (or 17715 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1328025 is about 1152.3996702533. The cubic root of 1328025 is about 109.9179829396.

The spelling of 1328025 in words is "one million, three hundred twenty-eight thousand, twenty-five".