325566 has 16 divisors (see below), whose sum is σ = 723600. Its totient is φ = 108504.

The previous prime is 325543. The next prime is 325571. The reversal of 325566 is 665523.

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

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 325566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (45225).

2³²⁵⁵⁶⁶ is an apocalyptic number.

325566 is an abundant number, since it is smaller than the sum of its proper divisors (398034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325566 is a wasteful number, since it uses less digits than its factorization.

325566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040 (or 6034 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 325566 is about 570.5839114451. The cubic root of 325566 is about 68.7933324618.

It can be divided in two parts, 3255 and 66, that added together give a triangular number (3321 = T₈₁).

The spelling of 325566 in words is "three hundred twenty-five thousand, five hundred sixty-six".