325491276433 has 4 divisors (see below), whose sum is σ = 325647689508. Its totient is φ = 325334863360.

The previous prime is 325491276431. The next prime is 325491276443. The reversal of 325491276433 is 334672194523.

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 111411091089 + 214080185344 = 333783^2 + 462688^2 .

It is a cyclic number.

It is not a de Polignac number, because 325491276433 - 2¹ = 325491276431 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325491276431) 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, 78203416 + ... + 78207577.

It is an arithmetic number, because the mean of its divisors is an integer number (81411922377).

Almost surely, 2^325491276433 is an apocalyptic number.

It is an amenable number.

325491276433 is a deficient number, since it is larger than the sum of its proper divisors (156413075).

325491276433 is a wasteful number, since it uses less digits than its factorization.

325491276433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156413074.

The product of its digits is 3265920, while the sum is 49.

The spelling of 325491276433 in words is "three hundred twenty-five billion, four hundred ninety-one million, two hundred seventy-six thousand, four hundred thirty-three".