324641 has 2 divisors, whose sum is σ = 324642. Its totient is φ = 324640.

The previous prime is 324637. The next prime is 324647. The reversal of 324641 is 146423.

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., 286225 + 38416 = 535^2 + 196^2 .

It is an emirp because it is prime and its reverse (146423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324641 - 2² = 324637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (324647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162320 + 162321.

It is an arithmetic number, because the mean of its divisors is an integer number (162321).

2³²⁴⁶⁴¹ is an apocalyptic number.

It is an amenable number.

324641 is a deficient number, since it is larger than the sum of its proper divisors (1).

324641 is an equidigital number, since it uses as much as digits as its factorization.

324641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 324641 is about 569.7727617217. The cubic root of 324641 is about 68.7281186563.

The spelling of 324641 in words is "three hundred twenty-four thousand, six hundred forty-one".