965787409 has 2 divisors, whose sum is σ = 965787410. Its totient is φ = 965787408.

The previous prime is 965787373. The next prime is 965787469. The reversal of 965787409 is 904787569.

965787409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708890625 + 256896784 = 26625^2 + 16028^2 .

It is a cyclic number.

It is not a de Polignac number, because 965787409 - 2⁷ = 965787281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 965787409.

It is not a weakly prime, because it can be changed into another prime (965787469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482893704 + 482893705.

It is an arithmetic number, because the mean of its divisors is an integer number (482893705).

Almost surely, 2^965787409 is an apocalyptic number.

It is an amenable number.

965787409 is a deficient number, since it is larger than the sum of its proper divisors (1).

965787409 is an equidigital number, since it uses as much as digits as its factorization.

965787409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 965787409 is about 31077.1203460037. The cubic root of 965787409 is about 988.4632174877.

The spelling of 965787409 in words is "nine hundred sixty-five million, seven hundred eighty-seven thousand, four hundred nine".