1304253505133 has 2 divisors, whose sum is σ = 1304253505134. Its totient is φ = 1304253505132.

The previous prime is 1304253505127. The next prime is 1304253505169. The reversal of 1304253505133 is 3315053524031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814446686089 + 489806819044 = 902467^2 + 699862^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304253505133 - 2⁶ = 1304253505069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1304253505093 and 1304253505102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304253505333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652126752566 + 652126752567.

It is an arithmetic number, because the mean of its divisors is an integer number (652126752567).

Almost surely, 2^{1304253505133} is an apocalyptic number.

It is an amenable number.

1304253505133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304253505133 is an equidigital number, since it uses as much as digits as its factorization.

1304253505133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 1304253505133 in words is "one trillion, three hundred four billion, two hundred fifty-three million, five hundred five thousand, one hundred thirty-three".