97307297 has 2 divisors, whose sum is σ = 97307298. Its totient is φ = 97307296.

The previous prime is 97307257. The next prime is 97307317. The reversal of 97307297 is 79270379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81018001 + 16289296 = 9001^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 97307297 - 2¹² = 97303201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97307207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48653648 + 48653649.

It is an arithmetic number, because the mean of its divisors is an integer number (48653649).

Almost surely, 2^97307297 is an apocalyptic number.

It is an amenable number.

97307297 is a deficient number, since it is larger than the sum of its proper divisors (1).

97307297 is an equidigital number, since it uses as much as digits as its factorization.

97307297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 97307297 is about 9864.4461071061. The cubic root of 97307297 is about 459.9547797388.

The spelling of 97307297 in words is "ninety-seven million, three hundred seven thousand, two hundred ninety-seven".