325645 has 4 divisors (see below), whose sum is σ = 390780. Its totient is φ = 260512.

The previous prime is 325643. The next prime is 325667. The reversal of 325645 is 546523.

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 66564 + 259081 = 258^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 325645 - 2¹ = 325643 is a prime.

It is a super-3 number, since 3×325645³ = 103598745803133375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32560 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (97695).

2³²⁵⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

325645 is a deficient number, since it is larger than the sum of its proper divisors (65135).

325645 is an equidigital number, since it uses as much as digits as its factorization.

325645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65134.

The product of its digits is 3600, while the sum is 25.

The square root of 325645 is about 570.6531345748. The cubic root of 325645 is about 68.7988963452.

The spelling of 325645 in words is "three hundred twenty-five thousand, six hundred forty-five".