325290 has 32 divisors (see below), whose sum is σ = 892800. Its totient is φ = 74304.

The previous prime is 325271. The next prime is 325301. The reversal of 325290 is 92523.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 325290.

It is an unprimeable number.

325290 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 565 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

2³²⁵²⁹⁰ is an apocalyptic number.

325290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325290 is an abundant number, since it is smaller than the sum of its proper divisors (567510).

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

325290 is a wasteful number, since it uses less digits than its factorization.

325290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 325290 is about 570.3420026616. The cubic root of 325290 is about 68.7738870164.

The spelling of 325290 in words is "three hundred twenty-five thousand, two hundred ninety".