9697157 has 4 divisors (see below), whose sum is σ = 10267596. Its totient is φ = 9126720.

The previous prime is 9697133. The next prime is 9697159. The reversal of 9697157 is 7517969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7517969 = 1429 ⋅5261.

It can be written as a sum of positive squares in 2 ways, for example, as 8473921 + 1223236 = 2911^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 9697157 - 2⁸ = 9696901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9697159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285194 + ... + 285227.

It is an arithmetic number, because the mean of its divisors is an integer number (2566899).

Almost surely, 2^9697157 is an apocalyptic number.

It is an amenable number.

9697157 is a deficient number, since it is larger than the sum of its proper divisors (570439).

9697157 is a wasteful number, since it uses less digits than its factorization.

9697157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570438.

The product of its digits is 119070, while the sum is 44.

The square root of 9697157 is about 3114.0258508882. The cubic root of 9697157 is about 213.2462858297.

The spelling of 9697157 in words is "nine million, six hundred ninety-seven thousand, one hundred fifty-seven".