325807128243 has 48 divisors (see below), whose sum is σ = 490260100512. Its totient is φ = 208319040000.

The previous prime is 325807128233. The next prime is 325807128289. The reversal of 325807128243 is 342821708523.

325807128243 is a `hidden beast` number, since 3 + 2 + 580 + 7 + 1 + 28 + 2 + 43 = 666.

It is not a de Polignac number, because 325807128243 - 2⁹ = 325807127731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (325807128223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64170621 + ... + 64175697.

It is an arithmetic number, because the mean of its divisors is an integer number (10213752094).

Almost surely, 2^325807128243 is an apocalyptic number.

325807128243 is a deficient number, since it is larger than the sum of its proper divisors (164452972269).

325807128243 is a wasteful number, since it uses less digits than its factorization.

325807128243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 325807128243 in words is "three hundred twenty-five billion, eight hundred seven million, one hundred twenty-eight thousand, two hundred forty-three".