325421 has 2 divisors, whose sum is σ = 325422. Its totient is φ = 325420.

The previous prime is 325411. The next prime is 325439. The reversal of 325421 is 124523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 44521 = 530^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 325421 - 2¹⁰ = 324397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325421.

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 325421.

It is not a weakly prime, because it can be changed into another prime (325411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162710 + 162711.

It is an arithmetic number, because the mean of its divisors is an integer number (162711).

2³²⁵⁴²¹ is an apocalyptic number.

It is an amenable number.

325421 is a deficient number, since it is larger than the sum of its proper divisors (1).

325421 is an equidigital number, since it uses as much as digits as its factorization.

325421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 17.

The square root of 325421 is about 570.4568344757. The cubic root of 325421 is about 68.7831179283.

Adding to 325421 its reverse (124523), we get a palindrome (449944).

The spelling of 325421 in words is "three hundred twenty-five thousand, four hundred twenty-one".