1323312325 has 6 divisors (see below), whose sum is σ = 1640907314. Its totient is φ = 1058649840.

The previous prime is 1323312313. The next prime is 1323312329. The reversal of 1323312325 is 5232133231.

It can be written as a sum of positive squares in 3 ways, for example, as 38950081 + 1284362244 = 6241^2 + 35838^2 .

It is not a de Polignac number, because 1323312325 - 2⁵ = 1323312293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 52932493 = 1323312325 / (1 + 3 + 2 + 3 + 3 + 1 + 2 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323312325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323312329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26466222 + ... + 26466271.

Almost surely, 2^1323312325 is an apocalyptic number.

It is an amenable number.

1323312325 is a deficient number, since it is larger than the sum of its proper divisors (317594989).

1323312325 is an equidigital number, since it uses as much as digits as its factorization.

1323312325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932503 (or 52932498 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 1323312325 is about 36377.3600608950. The cubic root of 1323312325 is about 1097.8780926541.

Adding to 1323312325 its reverse (5232133231), we get a palindrome (6555445556).

The spelling of 1323312325 in words is "one billion, three hundred twenty-three million, three hundred twelve thousand, three hundred twenty-five".