97348245581 has 2 divisors, whose sum is σ = 97348245582. Its totient is φ = 97348245580.

The previous prime is 97348245559. The next prime is 97348245583. The reversal of 97348245581 is 18554284379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61174107556 + 36174138025 = 247334^2 + 190195^2 .

It is a cyclic number.

It is not a de Polignac number, because 97348245581 - 2³⁴ = 80168376397 is a prime.

It is a super-2 number, since 2×97348245581² (a number of 23 digits) contains 22 as substring.

Together with 97348245583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97348245583) 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, 48674122790 + 48674122791.

It is an arithmetic number, because the mean of its divisors is an integer number (48674122791).

Almost surely, 2^97348245581 is an apocalyptic number.

It is an amenable number.

97348245581 is a deficient number, since it is larger than the sum of its proper divisors (1).

97348245581 is an equidigital number, since it uses as much as digits as its factorization.

97348245581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 56.

The spelling of 97348245581 in words is "ninety-seven billion, three hundred forty-eight million, two hundred forty-five thousand, five hundred eighty-one".