325081 has 2 divisors, whose sum is σ = 325082. Its totient is φ = 325080.

The previous prime is 325079. The next prime is 325093. The reversal of 325081 is 180523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 32400 = 541^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 325081 - 2¹ = 325079 is a prime.

It is a super-2 number, since 2×325081² = 211355313122, which contains 22 as substring.

Together with 325079, it forms a pair of twin primes.

325081 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162540 + 162541.

It is an arithmetic number, because the mean of its divisors is an integer number (162541).

2³²⁵⁰⁸¹ is an apocalyptic number.

It is an amenable number.

325081 is a deficient number, since it is larger than the sum of its proper divisors (1).

325081 is an equidigital number, since it uses as much as digits as its factorization.

325081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 325081 is about 570.1587498232. The cubic root of 325081 is about 68.7591547038.

The spelling of 325081 in words is "three hundred twenty-five thousand, eighty-one".