324241381 has 2 divisors, whose sum is σ = 324241382. Its totient is φ = 324241380.

The previous prime is 324241367. The next prime is 324241417. The reversal of 324241381 is 183142423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280562500 + 43678881 = 16750^2 + 6609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324241381 is a prime.

It is a super-2 number, since 2×324241381² = 210264946305574322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324241301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162120690 + 162120691.

It is an arithmetic number, because the mean of its divisors is an integer number (162120691).

Almost surely, 2^324241381 is an apocalyptic number.

It is an amenable number.

324241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

324241381 is an equidigital number, since it uses as much as digits as its factorization.

324241381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 324241381 is about 18006.7037794262. The cubic root of 324241381 is about 686.9990663216. Note that the first 3 decimals are identical.

The spelling of 324241381 in words is "three hundred twenty-four million, two hundred forty-one thousand, three hundred eighty-one".