9965071 has 2 divisors, whose sum is σ = 9965072. Its totient is φ = 9965070.

The previous prime is 9965051. The next prime is 9965083. The reversal of 9965071 is 1705699.

9965071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9965071 - 2¹⁵ = 9932303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9965071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9965051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982535 + 4982536.

It is an arithmetic number, because the mean of its divisors is an integer number (4982536).

Almost surely, 2^9965071 is an apocalyptic number.

9965071 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965071 is an equidigital number, since it uses as much as digits as its factorization.

9965071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 9965071 is about 3156.7500692960. The cubic root of 9965071 is about 215.1923355502.

The spelling of 9965071 in words is "nine million, nine hundred sixty-five thousand, seventy-one".