97585517 has 2 divisors, whose sum is σ = 97585518. Its totient is φ = 97585516.

The previous prime is 97585487. The next prime is 97585531. The reversal of 97585517 is 71558579.

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., 97397161 + 188356 = 9869^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 97585517 - 2¹⁰ = 97584493 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 (97585217) 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, 48792758 + 48792759.

It is an arithmetic number, because the mean of its divisors is an integer number (48792759).

Almost surely, 2^97585517 is an apocalyptic number.

It is an amenable number.

97585517 is a deficient number, since it is larger than the sum of its proper divisors (1).

97585517 is an equidigital number, since it uses as much as digits as its factorization.

97585517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 47.

The square root of 97585517 is about 9878.5382015762. The cubic root of 97585517 is about 460.3927285667.

The spelling of 97585517 in words is "ninety-seven million, five hundred eighty-five thousand, five hundred seventeen".