97697153 has 2 divisors, whose sum is σ = 97697154. Its totient is φ = 97697152.

The previous prime is 97697129. The next prime is 97697203. The reversal of 97697153 is 35179679.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 31225744 = 8153^2 + 5588^2 .

It is an emirp because it is prime and its reverse (35179679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97697153 - 2¹⁴ = 97680769 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97697098 and 97697107.

It is not a weakly prime, because it can be changed into another prime (97697053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48848576 + 48848577.

It is an arithmetic number, because the mean of its divisors is an integer number (48848577).

Almost surely, 2^97697153 is an apocalyptic number.

It is an amenable number.

97697153 is a deficient number, since it is larger than the sum of its proper divisors (1).

97697153 is an equidigital number, since it uses as much as digits as its factorization.

97697153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 97697153 is about 9884.1870176560. The cubic root of 97697153 is about 460.5682218770.

The spelling of 97697153 in words is "ninety-seven million, six hundred ninety-seven thousand, one hundred fifty-three".