1325243354251 has 16 divisors (see below), whose sum is σ = 1374105600000. Its totient is φ = 1276768080000.

The previous prime is 1325243354243. The next prime is 1325243354333. The reversal of 1325243354251 is 1524533425231.

It is a cyclic number.

It is not a de Polignac number, because 1325243354251 - 2³ = 1325243354243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325243354221) 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 15 ways as a sum of consecutive naturals, for example, 16525750 + ... + 16605748.

It is an arithmetic number, because the mean of its divisors is an integer number (85881600000).

Almost surely, 2^{1325243354251} is an apocalyptic number.

1325243354251 is a deficient number, since it is larger than the sum of its proper divisors (48862245749).

1325243354251 is a wasteful number, since it uses less digits than its factorization.

1325243354251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82410.

The product of its digits is 432000, while the sum is 40.

Adding to 1325243354251 its reverse (1524533425231), we get a palindrome (2849776779482).

The spelling of 1325243354251 in words is "one trillion, three hundred twenty-five billion, two hundred forty-three million, three hundred fifty-four thousand, two hundred fifty-one".