97645297 has 6 divisors (see below), whose sum is σ = 103727318. Its totient is φ = 91901184.

The previous prime is 97645283. The next prime is 97645307. The reversal of 97645297 is 79254679.

It can be written as a sum of positive squares in 3 ways, for example, as 55965361 + 41679936 = 7481^2 + 6456^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97645297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97645297.

It is not an unprimeable number, because it can be changed into a prime (97645277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168648 + ... + 169225.

Almost surely, 2^97645297 is an apocalyptic number.

It is an amenable number.

97645297 is a deficient number, since it is larger than the sum of its proper divisors (6082021).

97645297 is a wasteful number, since it uses less digits than its factorization.

97645297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337907 (or 337890 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 97645297 is about 9881.5634896508. The cubic root of 97645297 is about 460.4867201756.

The spelling of 97645297 in words is "ninety-seven million, six hundred forty-five thousand, two hundred ninety-seven".