8713025257 has 2 divisors, whose sum is σ = 8713025258. Its totient is φ = 8713025256.

The previous prime is 8713025231. The next prime is 8713025267. The reversal of 8713025257 is 7525203178.

It is a happy number.

8713025257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7611515536 + 1101509721 = 87244^2 + 33189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8713025257 is a prime.

It is not a weakly prime, because it can be changed into another prime (8713025207) 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, 4356512628 + 4356512629.

It is an arithmetic number, because the mean of its divisors is an integer number (4356512629).

Almost surely, 2^8713025257 is an apocalyptic number.

It is an amenable number.

8713025257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8713025257 is an equidigital number, since it uses as much as digits as its factorization.

8713025257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 8713025257 is about 93343.5871230584. The cubic root of 8713025257 is about 2057.7360096831.

The spelling of 8713025257 in words is "eight billion, seven hundred thirteen million, twenty-five thousand, two hundred fifty-seven".