325385340647 has 4 divisors (see below), whose sum is σ = 329305646040. Its totient is φ = 321465035256.

The previous prime is 325385340619. The next prime is 325385340649. The reversal of 325385340647 is 746043583523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746043583523 = 7 ⋅106577654789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325385340647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325385340595 and 325385340604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325385340649) 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, 1960152572 + ... + 1960152737.

It is an arithmetic number, because the mean of its divisors is an integer number (82326411510).

Almost surely, 2^325385340647 is an apocalyptic number.

325385340647 is a deficient number, since it is larger than the sum of its proper divisors (3920305393).

325385340647 is an equidigital number, since it uses as much as digits as its factorization.

325385340647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920305392.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 325385340647 in words is "three hundred twenty-five billion, three hundred eighty-five million, three hundred forty thousand, six hundred forty-seven".