1328525 has 12 divisors (see below), whose sum is σ = 1797504. Its totient is φ = 966000.

The previous prime is 1328521. The next prime is 1328531. The reversal of 1328525 is 5258231.

It is not a de Polignac number, because 1328525 - 2² = 1328521 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1328494 and 1328503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (149792).

2^1328525 is an apocalyptic number.

It is an amenable number.

1328525 is a deficient number, since it is larger than the sum of its proper divisors (468979).

1328525 is a wasteful number, since it uses less digits than its factorization.

1328525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4847 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1328525 is about 1152.6165884630. The cubic root of 1328525 is about 109.9317758766.

The spelling of 1328525 in words is "one million, three hundred twenty-eight thousand, five hundred twenty-five".