1325423604225 has 24 divisors (see below), whose sum is σ = 2504419458880. Its totient is φ = 605907933120.

The previous prime is 1325423604203. The next prime is 1325423604269. The reversal of 1325423604225 is 5224063245231.

It is not a de Polignac number, because 1325423604225 - 2⁶ = 1325423604161 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1262307670 + ... + 1262308719.

Almost surely, 2^{1325423604225} is an apocalyptic number.

1325423604225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325423604225 is a deficient number, since it is larger than the sum of its proper divisors (1178995854655).

1325423604225 is a wasteful number, since it uses less digits than its factorization.

1325423604225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524616409 (or 2524616404 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 1325423604225 its reverse (5224063245231), we get a palindrome (6549486849456).

The spelling of 1325423604225 in words is "one trillion, three hundred twenty-five billion, four hundred twenty-three million, six hundred four thousand, two hundred twenty-five".