1004255315257 has 2 divisors, whose sum is σ = 1004255315258. Its totient is φ = 1004255315256.

The previous prime is 1004255315213. The next prime is 1004255315333. The reversal of 1004255315257 is 7525135524001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 957933945081 + 46321370176 = 978741^2 + 215224^2 .

It is an emirp because it is prime and its reverse (7525135524001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004255315257 - 2³¹ = 1002107831609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004255315057) 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 as a sum of consecutive naturals, namely, 502127657628 + 502127657629.

It is an arithmetic number, because the mean of its divisors is an integer number (502127657629).

Almost surely, 2^{1004255315257} is an apocalyptic number.

It is an amenable number.

1004255315257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004255315257 is an equidigital number, since it uses as much as digits as its factorization.

1004255315257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 1004255315257 in words is "one trillion, four billion, two hundred fifty-five million, three hundred fifteen thousand, two hundred fifty-seven".