325491 has 4 divisors (see below), whose sum is σ = 433992. Its totient is φ = 216992.

The previous prime is 325487. The next prime is 325513. The reversal of 325491 is 194523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325491 - 2² = 325487 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (325411) 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 3 ways as a sum of consecutive naturals, for example, 54246 + ... + 54251.

It is an arithmetic number, because the mean of its divisors is an integer number (108498).

2³²⁵⁴⁹¹ is an apocalyptic number.

325491 is a deficient number, since it is larger than the sum of its proper divisors (108501).

325491 is a wasteful number, since it uses less digits than its factorization.

325491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108500.

The product of its digits is 1080, while the sum is 24.

The square root of 325491 is about 570.5181855121. The cubic root of 325491 is about 68.7880494612.

The spelling of 325491 in words is "three hundred twenty-five thousand, four hundred ninety-one".