324443401 has 2 divisors, whose sum is σ = 324443402. Its totient is φ = 324443400.

The previous prime is 324443381. The next prime is 324443429. The reversal of 324443401 is 104344423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267289801 + 57153600 = 16349^2 + 7560^2 .

It is an emirp because it is prime and its reverse (104344423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324443401 - 2⁹ = 324442889 is a prime.

It is not a weakly prime, because it can be changed into another prime (324443461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162221700 + 162221701.

It is an arithmetic number, because the mean of its divisors is an integer number (162221701).

Almost surely, 2^324443401 is an apocalyptic number.

It is an amenable number.

324443401 is a deficient number, since it is larger than the sum of its proper divisors (1).

324443401 is an equidigital number, since it uses as much as digits as its factorization.

324443401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 324443401 is about 18012.3124834098. The cubic root of 324443401 is about 687.1417159497.

Adding to 324443401 its reverse (104344423), we get a palindrome (428787824).

The spelling of 324443401 in words is "three hundred twenty-four million, four hundred forty-three thousand, four hundred one".