325409 has 12 divisors (see below), whose sum is σ = 393300. Its totient is φ = 268128.

The previous prime is 325379. The next prime is 325411. The reversal of 325409 is 904523.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 78400 = 497^2 + 280^2 .

It is not a de Polignac number, because 325409 - 2⁸ = 325153 is a prime.

It is an Ulam number.

It is a Duffinian 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 325409.

It is not an unprimeable number, because it can be changed into a prime (325439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (32775).

2³²⁵⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

325409 is a deficient number, since it is larger than the sum of its proper divisors (67891).

325409 is a wasteful number, since it uses less digits than its factorization.

325409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 325409 is about 570.4463164926. The cubic root of 325409 is about 68.7822724517.

The spelling of 325409 in words is "three hundred twenty-five thousand, four hundred nine".