325891 has 2 divisors, whose sum is σ = 325892. Its totient is φ = 325890.

The previous prime is 325889. The next prime is 325901. The reversal of 325891 is 198523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325891 - 2¹ = 325889 is a prime.

Together with 325889, it forms a pair of twin primes.

It is a Chen prime.

325891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (325861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162945 + 162946.

It is an arithmetic number, because the mean of its divisors is an integer number (162946).

2³²⁵⁸⁹¹ is an apocalyptic number.

325891 is a deficient number, since it is larger than the sum of its proper divisors (1).

325891 is an equidigital number, since it uses as much as digits as its factorization.

325891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 325891 is about 570.8686363779. The cubic root of 325891 is about 68.8162160938.

The spelling of 325891 in words is "three hundred twenty-five thousand, eight hundred ninety-one".