1304253505237 has 2 divisors, whose sum is σ = 1304253505238. Its totient is φ = 1304253505236.

The previous prime is 1304253505231. The next prime is 1304253505271. The reversal of 1304253505237 is 7325053524031.

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., 1304253077521 + 427716 = 1142039^2 + 654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304253505237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304253505237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304253505231) 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, 652126752618 + 652126752619.

It is an arithmetic number, because the mean of its divisors is an integer number (652126752619).

Almost surely, 2^{1304253505237} is an apocalyptic number.

It is an amenable number.

1304253505237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304253505237 is an equidigital number, since it uses as much as digits as its factorization.

1304253505237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 1304253505237 in words is "one trillion, three hundred four billion, two hundred fifty-three million, five hundred five thousand, two hundred thirty-seven".