965345309 has 2 divisors, whose sum is σ = 965345310. Its totient is φ = 965345308.

The previous prime is 965345299. The next prime is 965345317. The reversal of 965345309 is 903543569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761484025 + 203861284 = 27595^2 + 14278^2 .

It is a cyclic number.

It is not a de Polignac number, because 965345309 - 2¹² = 965341213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 965345309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965345009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482672654 + 482672655.

It is an arithmetic number, because the mean of its divisors is an integer number (482672655).

Almost surely, 2^965345309 is an apocalyptic number.

It is an amenable number.

965345309 is a deficient number, since it is larger than the sum of its proper divisors (1).

965345309 is an equidigital number, since it uses as much as digits as its factorization.

965345309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 965345309 is about 31070.0065819111. The cubic root of 965345309 is about 988.3123677659.

The spelling of 965345309 in words is "nine hundred sixty-five million, three hundred forty-five thousand, three hundred nine".