965478517 has 2 divisors, whose sum is σ = 965478518. Its totient is φ = 965478516.

The previous prime is 965478491. The next prime is 965478529. The reversal of 965478517 is 715874569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955180836 + 10297681 = 30906^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 965478517 - 2⁷ = 965478389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965478317) 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, 482739258 + 482739259.

It is an arithmetic number, because the mean of its divisors is an integer number (482739259).

Almost surely, 2^965478517 is an apocalyptic number.

It is an amenable number.

965478517 is a deficient number, since it is larger than the sum of its proper divisors (1).

965478517 is an equidigital number, since it uses as much as digits as its factorization.

965478517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The square root of 965478517 is about 31072.1501830820. The cubic root of 965478517 is about 988.3578247499.

The spelling of 965478517 in words is "nine hundred sixty-five million, four hundred seventy-eight thousand, five hundred seventeen".