7135328257 has 2 divisors, whose sum is σ = 7135328258. Its totient is φ = 7135328256.

The previous prime is 7135328231. The next prime is 7135328323. The reversal of 7135328257 is 7528235317.

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., 5722771201 + 1412557056 = 75649^2 + 37584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7135328257 is a prime.

It is not a weakly prime, because it can be changed into another prime (7135328227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567664128 + 3567664129.

It is an arithmetic number, because the mean of its divisors is an integer number (3567664129).

Almost surely, 2^7135328257 is an apocalyptic number.

It is an amenable number.

7135328257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7135328257 is an equidigital number, since it uses as much as digits as its factorization.

7135328257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 7135328257 is about 84470.8722400805. The cubic root of 7135328257 is about 1925.1799017339.

The spelling of 7135328257 in words is "seven billion, one hundred thirty-five million, three hundred twenty-eight thousand, two hundred fifty-seven".