25330160617 has 2 divisors, whose sum is σ = 25330160618. Its totient is φ = 25330160616.

The previous prime is 25330160563. The next prime is 25330160621. The reversal of 25330160617 is 71606103352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24658106841 + 672053776 = 157029^2 + 25924^2 .

It is a cyclic number.

It is not a de Polignac number, because 25330160617 - 2¹⁹ = 25329636329 is a prime.

It is not a weakly prime, because it can be changed into another prime (25330140617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12665080308 + 12665080309.

It is an arithmetic number, because the mean of its divisors is an integer number (12665080309).

Almost surely, 2^25330160617 is an apocalyptic number.

It is an amenable number.

25330160617 is a deficient number, since it is larger than the sum of its proper divisors (1).

25330160617 is an equidigital number, since it uses as much as digits as its factorization.

25330160617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 25330160617 its reverse (71606103352), we get a palindrome (96936263969).

The spelling of 25330160617 in words is "twenty-five billion, three hundred thirty million, one hundred sixty thousand, six hundred seventeen".