324646225253 has 4 divisors (see below), whose sum is σ = 371024257440. Its totient is φ = 278268193068.

The previous prime is 324646225237. The next prime is 324646225339. The reversal of 324646225253 is 352522646423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352522646423 = 4751 ⋅74199673.

It is a cyclic number.

It is not a de Polignac number, because 324646225253 - 2⁴ = 324646225237 is a prime.

It is a super-2 number, since 2×324646225253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324646225213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23189016083 + ... + 23189016096.

It is an arithmetic number, because the mean of its divisors is an integer number (92756064360).

Almost surely, 2^324646225253 is an apocalyptic number.

It is an amenable number.

324646225253 is a deficient number, since it is larger than the sum of its proper divisors (46378032187).

324646225253 is an equidigital number, since it uses as much as digits as its factorization.

324646225253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46378032186.

The product of its digits is 2073600, while the sum is 44.

The spelling of 324646225253 in words is "three hundred twenty-four billion, six hundred forty-six million, two hundred twenty-five thousand, two hundred fifty-three".