325565 has 16 divisors (see below), whose sum is σ = 432000. Its totient is φ = 234432.

The previous prime is 325543. The next prime is 325571. The reversal of 325565 is 565523.

It is a cyclic number.

It is not a de Polignac number, because 325565 - 2⁸ = 325309 is a prime.

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 325565.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2111 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2³²⁵⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

325565 is a deficient number, since it is larger than the sum of its proper divisors (106435).

325565 is a wasteful number, since it uses less digits than its factorization.

325565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its digits is 4500, while the sum is 26.

The square root of 325565 is about 570.5830351491. The cubic root of 325565 is about 68.7932620272.

It can be divided in two parts, 3255 and 65, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 325565 in words is "three hundred twenty-five thousand, five hundred sixty-five".