9965497 has 2 divisors, whose sum is σ = 9965498. Its totient is φ = 9965496.

The previous prime is 9965479. The next prime is 9965503. The reversal of 9965497 is 7945699.

9965497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9965479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9126441 + 839056 = 3021^2 + 916^2 .

It is an emirp because it is prime and its reverse (7945699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9965497 - 2⁷ = 9965369 is a prime.

It is a super-2 number, since 2×9965497² = 198622260914018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9965497.

It is not a weakly prime, because it can be changed into another prime (9965407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982748 + 4982749.

It is an arithmetic number, because the mean of its divisors is an integer number (4982749).

Almost surely, 2^9965497 is an apocalyptic number.

It is an amenable number.

9965497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965497 is an equidigital number, since it uses as much as digits as its factorization.

9965497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The square root of 9965497 is about 3156.8175430329. The cubic root of 9965497 is about 215.1954019484.

The spelling of 9965497 in words is "nine million, nine hundred sixty-five thousand, four hundred ninety-seven".