325445 has 4 divisors (see below), whose sum is σ = 390540. Its totient is φ = 260352.

The previous prime is 325439. The next prime is 325447. The reversal of 325445 is 544523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 73441 = 502^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 325445 - 2⁸ = 325189 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 325445.

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 325445.

It is not an unprimeable number, because it can be changed into a prime (325447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32540 + ... + 32549.

It is an arithmetic number, because the mean of its divisors is an integer number (97635).

2³²⁵⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

325445 is a deficient number, since it is larger than the sum of its proper divisors (65095).

325445 is an equidigital number, since it uses as much as digits as its factorization.

325445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65094.

The product of its digits is 2400, while the sum is 23.

The square root of 325445 is about 570.4778698600. The cubic root of 325445 is about 68.7848088192.

Adding to 325445 its reverse (544523), we get a palindrome (869968).

The spelling of 325445 in words is "three hundred twenty-five thousand, four hundred forty-five".