328725 has 24 divisors (see below), whose sum is σ = 605120. Its totient is φ = 174960.

The previous prime is 328721. The next prime is 328753. The reversal of 328725 is 527823.

It is not a de Polignac number, because 328725 - 2² = 328721 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3² + 2¹⁰ + 7 + 8⁶ + 2¹⁶ + 5 .

It is a Curzon number.

328725 is a lucky number.

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 328725.

It is not an unprimeable number, because it can be changed into a prime (328721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432 + ... + 918.

2³²⁸⁷²⁵ is an apocalyptic number.

It is an amenable number.

328725 is a deficient number, since it is larger than the sum of its proper divisors (276395).

328725 is a wasteful number, since it uses less digits than its factorization.

328725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 495 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 328725 is about 573.3454456085. The cubic root of 328725 is about 69.0151195600.

The spelling of 328725 in words is "three hundred twenty-eight thousand, seven hundred twenty-five".