325881 has 6 divisors (see below), whose sum is σ = 470730. Its totient is φ = 217248.

The previous prime is 325877. The next prime is 325883. The reversal of 325881 is 188523.

It is a happy number.

325881 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 95481 = 480^2 + 309^2 .

It is not a de Polignac number, because 325881 - 2² = 325877 is a prime.

It is a super-2 number, since 2×325881² = 212396852322, which contains 22 as substring.

325881 is a lucky number.

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 325881.

It is not an unprimeable number, because it can be changed into a prime (325883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18096 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (78455).

2³²⁵⁸⁸¹ is an apocalyptic number.

It is an amenable number.

325881 is a deficient number, since it is larger than the sum of its proper divisors (144849).

325881 is a wasteful number, since it uses less digits than its factorization.

325881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36215 (or 36212 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 325881 is about 570.8598777283. The cubic root of 325881 is about 68.8155122089.

The spelling of 325881 in words is "three hundred twenty-five thousand, eight hundred eighty-one".