324256853 has 4 divisors (see below), whose sum is σ = 324300588. Its totient is φ = 324213120.

The previous prime is 324256819. The next prime is 324256873. The reversal of 324256853 is 358652423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272316004 + 51940849 = 16502^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 324256853 - 2²⁴ = 307479637 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 (324256873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7676 + ... + 26597.

It is an arithmetic number, because the mean of its divisors is an integer number (81075147).

Almost surely, 2^324256853 is an apocalyptic number.

It is an amenable number.

324256853 is a deficient number, since it is larger than the sum of its proper divisors (43735).

324256853 is an equidigital number, since it uses as much as digits as its factorization.

324256853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43734.

The product of its digits is 172800, while the sum is 38.

The square root of 324256853 is about 18007.1333920755. The cubic root of 324256853 is about 687.0099934488.

The spelling of 324256853 in words is "three hundred twenty-four million, two hundred fifty-six thousand, eight hundred fifty-three".