324455813 has 6 divisors (see below), whose sum is σ = 356633382. Its totient is φ = 294959720.

The previous prime is 324455801. The next prime is 324455843. The reversal of 324455813 is 318554423.

It can be written as a sum of positive squares in only one way, i.e., 308599489 + 15856324 = 17567^2 + 3982^2 .

It is not a de Polignac number, because 324455813 - 2¹⁰ = 324454789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324455843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1340606 + ... + 1340847.

It is an arithmetic number, because the mean of its divisors is an integer number (59438897).

Almost surely, 2^324455813 is an apocalyptic number.

It is an amenable number.

324455813 is a deficient number, since it is larger than the sum of its proper divisors (32177569).

324455813 is a wasteful number, since it uses less digits than its factorization.

324455813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681475 (or 2681464 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 324455813 is about 18012.6570222164. The cubic root of 324455813 is about 687.1504783350.

The spelling of 324455813 in words is "three hundred twenty-four million, four hundred fifty-five thousand, eight hundred thirteen".