325605 has 24 divisors (see below), whose sum is σ = 607392. Its totient is φ = 148512.

The previous prime is 325597. The next prime is 325607. The reversal of 325605 is 506523.

325605 = T₃₆ + T₃₇ + ... + T₁₂₅.

It is not a de Polignac number, because 325605 - 2³ = 325597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

325605 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 325605.

It is not an unprimeable number, because it can be changed into a prime (325607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (25308).

2³²⁵⁶⁰⁵ is an apocalyptic number.

325605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

325605 is a deficient number, since it is larger than the sum of its proper divisors (281787).

325605 is a wasteful number, since it uses less digits than its factorization.

325605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 325605 is about 570.6180859384. The cubic root of 325605 is about 68.7960793015.

The spelling of 325605 in words is "three hundred twenty-five thousand, six hundred five".