1326312625 has 32 divisors (see below), whose sum is σ = 1836432000. Its totient is φ = 948184000.

The previous prime is 1326312583. The next prime is 1326312629. The reversal of 1326312625 is 5262136231.

It is a happy number.

It is not a de Polignac number, because 1326312625 - 2²³ = 1317924017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1326312629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72951 + ... + 89299.

It is an arithmetic number, because the mean of its divisors is an integer number (57388500).

Almost surely, 2^1326312625 is an apocalyptic number.

It is an amenable number.

1326312625 is a deficient number, since it is larger than the sum of its proper divisors (510119375).

1326312625 is a wasteful number, since it uses less digits than its factorization.

1326312625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16434 (or 16424 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1326312625 is about 36418.5752741647. The cubic root of 1326312625 is about 1098.7071933081.

Adding to 1326312625 its reverse (5262136231), we get a palindrome (6588448856).

The spelling of 1326312625 in words is "one billion, three hundred twenty-six million, three hundred twelve thousand, six hundred twenty-five".