324253945 has 12 divisors (see below), whose sum is σ = 391348260. Its totient is φ = 257912480.

The previous prime is 324253933. The next prime is 324253961. The reversal of 324253945 is 549352423.

It can be written as a sum of positive squares in 2 ways, for example, as 61716736 + 262537209 = 7856^2 + 16203^2 .

It is not a de Polignac number, because 324253945 - 2⁵ = 324253913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660150 + ... + 660640.

It is an arithmetic number, because the mean of its divisors is an integer number (32612355).

Almost surely, 2^324253945 is an apocalyptic number.

It is an amenable number.

324253945 is a deficient number, since it is larger than the sum of its proper divisors (67094315).

324253945 is an frugal number, since it uses more digits than its factorization.

324253945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 765 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 324253945 is about 18007.0526461162. The cubic root of 324253945 is about 687.0079396952.

The spelling of 324253945 in words is "three hundred twenty-four million, two hundred fifty-three thousand, nine hundred forty-five".