324661 has 2 divisors, whose sum is σ = 324662. Its totient is φ = 324660.

The previous prime is 324647. The next prime is 324673. The reversal of 324661 is 166423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323761 + 900 = 569^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 324661 - 2¹¹ = 322613 is a prime.

It is a super-4 number, since 4×324661⁴ (a number of 23 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162330 + 162331.

It is an arithmetic number, because the mean of its divisors is an integer number (162331).

2³²⁴⁶⁶¹ is an apocalyptic number.

It is an amenable number.

324661 is a deficient number, since it is larger than the sum of its proper divisors (1).

324661 is an equidigital number, since it uses as much as digits as its factorization.

324661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 324661 is about 569.7903123080. The cubic root of 324661 is about 68.7295299939.

The spelling of 324661 in words is "three hundred twenty-four thousand, six hundred sixty-one".