965561339 has 2 divisors, whose sum is σ = 965561340. Its totient is φ = 965561338.

The previous prime is 965561251. The next prime is 965561381. The reversal of 965561339 is 933165569.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965561339 - 2²⁰ = 964512763 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 965561293 and 965561302.

It is not a weakly prime, because it can be changed into another prime (965561539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482780669 + 482780670.

It is an arithmetic number, because the mean of its divisors is an integer number (482780670).

Almost surely, 2^965561339 is an apocalyptic number.

965561339 is a deficient number, since it is larger than the sum of its proper divisors (1).

965561339 is an equidigital number, since it uses as much as digits as its factorization.

965561339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 656100, while the sum is 47.

The square root of 965561339 is about 31073.4828913658. The cubic root of 965561339 is about 988.3860854965.

The spelling of 965561339 in words is "nine hundred sixty-five million, five hundred sixty-one thousand, three hundred thirty-nine".