97631717 has 2 divisors, whose sum is σ = 97631718. Its totient is φ = 97631716.

The previous prime is 97631693. The next prime is 97631767. The reversal of 97631717 is 71713679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 33535681 = 8006^2 + 5791^2 .

It is a cyclic number.

It is not a de Polignac number, because 97631717 - 2¹⁰ = 97630693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97631767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48815858 + 48815859.

It is an arithmetic number, because the mean of its divisors is an integer number (48815859).

Almost surely, 2^97631717 is an apocalyptic number.

It is an amenable number.

97631717 is a deficient number, since it is larger than the sum of its proper divisors (1).

97631717 is an equidigital number, since it uses as much as digits as its factorization.

97631717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566, while the sum is 41.

The square root of 97631717 is about 9880.8763275329. The cubic root of 97631717 is about 460.4653718200.

The spelling of 97631717 in words is "ninety-seven million, six hundred thirty-one thousand, seven hundred seventeen".