1325081312 has 24 divisors (see below), whose sum is σ = 2609915616. Its totient is φ = 662245632.

The previous prime is 1325081291. The next prime is 1325081321. The reversal of 1325081312 is 2131805231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75833 + ... + 91655.

It is an arithmetic number, because the mean of its divisors is an integer number (108746484).

Almost surely, 2^1325081312 is an apocalyptic number.

It is an amenable number.

1325081312 is a deficient number, since it is larger than the sum of its proper divisors (1284834304).

1325081312 is a wasteful number, since it uses less digits than its factorization.

1325081312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18450 (or 18442 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1325081312 is about 36401.6663354852. Note that the first 3 decimals coincide. The cubic root of 1325081312 is about 1098.3670846260.

Adding to 1325081312 its reverse (2131805231), we get a palindrome (3456886543).

The spelling of 1325081312 in words is "one billion, three hundred twenty-five million, eighty-one thousand, three hundred twelve".