325235055521 has 8 divisors (see below), whose sum is σ = 325467613224. Its totient is φ = 325002585600.

The previous prime is 325235055503. The next prime is 325235055527. The reversal of 325235055521 is 125550532523.

It can be written as a sum of positive squares in 4 ways, for example, as 98697133921 + 226537921600 = 314161^2 + 475960^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325235055521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325235055527) 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 7 ways as a sum of consecutive naturals, for example, 8540495 + ... + 8578491.

It is an arithmetic number, because the mean of its divisors is an integer number (40683451653).

Almost surely, 2^325235055521 is an apocalyptic number.

It is an amenable number.

325235055521 is a deficient number, since it is larger than the sum of its proper divisors (232557703).

325235055521 is a wasteful number, since it uses less digits than its factorization.

325235055521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43891.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 325235055521 in words is "three hundred twenty-five billion, two hundred thirty-five million, fifty-five thousand, five hundred twenty-one".