324403253 has 2 divisors, whose sum is σ = 324403254. Its totient is φ = 324403252.

The previous prime is 324403243. The next prime is 324403267. The reversal of 324403253 is 352304423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316235089 + 8168164 = 17783^2 + 2858^2 .

It is an emirp because it is prime and its reverse (352304423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324403253 - 2⁴ = 324403237 is a prime.

It is a super-3 number, since 3×324403253³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324403243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162201626 + 162201627.

It is an arithmetic number, because the mean of its divisors is an integer number (162201627).

Almost surely, 2^324403253 is an apocalyptic number.

It is an amenable number.

324403253 is a deficient number, since it is larger than the sum of its proper divisors (1).

324403253 is an equidigital number, since it uses as much as digits as its factorization.

324403253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 324403253 is about 18011.1979890289. The cubic root of 324403253 is about 687.1133715055.

Adding to 324403253 its reverse (352304423), we get a palindrome (676707676).

The spelling of 324403253 in words is "three hundred twenty-four million, four hundred three thousand, two hundred fifty-three".