328525 has 12 divisors (see below), whose sum is σ = 431892. Its totient is φ = 247040.

The previous prime is 328519. The next prime is 328543. The reversal of 328525 is 525823.

It can be written as a sum of positive squares in 6 ways, for example, as 21609 + 306916 = 147^2 + 554^2 .

It is not a de Polignac number, because 328525 - 2⁷ = 328397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3⁵ + 2¹³ + 5⁷ + 8⁵ + 2¹⁷ + 5⁷ .

It is a Duffinian number.

Its product of digits (2400) is a multiple of the sum of its prime factors (800).

It is a self number, because there is not a number n which added to its sum of digits gives 328525.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328525.

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, 39 + ... + 811.

It is an arithmetic number, because the mean of its divisors is an integer number (35991).

2³²⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

328525 is a deficient number, since it is larger than the sum of its proper divisors (103367).

328525 is a wasteful number, since it uses less digits than its factorization.

328525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 795 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 328525 is about 573.1710041515. The cubic root of 328525 is about 69.0011201947.

The spelling of 328525 in words is "three hundred twenty-eight thousand, five hundred twenty-five".