97917097 has 2 divisors, whose sum is σ = 97917098. Its totient is φ = 97917096.

The previous prime is 97917073. The next prime is 97917107. The reversal of 97917097 is 79071979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 45846441 = 7216^2 + 6771^2 .

It is a cyclic number.

It is not a de Polignac number, because 97917097 - 2⁷ = 97916969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97917097.

It is not a weakly prime, because it can be changed into another prime (97917047) 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, 48958548 + 48958549.

It is an arithmetic number, because the mean of its divisors is an integer number (48958549).

Almost surely, 2^97917097 is an apocalyptic number.

It is an amenable number.

97917097 is a deficient number, since it is larger than the sum of its proper divisors (1).

97917097 is an equidigital number, since it uses as much as digits as its factorization.

97917097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250047, while the sum is 49.

The square root of 97917097 is about 9895.3068168703. The cubic root of 97917097 is about 460.9135860664.

The spelling of 97917097 in words is "ninety-seven million, nine hundred seventeen thousand, ninety-seven".