9697957 has 2 divisors, whose sum is σ = 9697958. Its totient is φ = 9697956.

The previous prime is 9697937. The next prime is 9697967. The reversal of 9697957 is 7597969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 961 = 3114^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 9697957 - 2⁷ = 9697829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9697907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848978 + 4848979.

It is an arithmetic number, because the mean of its divisors is an integer number (4848979).

Almost surely, 2^9697957 is an apocalyptic number.

It is an amenable number.

9697957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697957 is an equidigital number, since it uses as much as digits as its factorization.

9697957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 52.

The square root of 9697957 is about 3114.1542993243. The cubic root of 9697957 is about 213.2521498280.

The spelling of 9697957 in words is "nine million, six hundred ninety-seven thousand, nine hundred fifty-seven".