97320752213 has 2 divisors, whose sum is σ = 97320752214. Its totient is φ = 97320752212.

The previous prime is 97320752209. The next prime is 97320752281. The reversal of 97320752213 is 31225702379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94121944849 + 3198807364 = 306793^2 + 56558^2 .

It is an emirp because it is prime and its reverse (31225702379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97320752213 - 2² = 97320752209 is a prime.

It is a super-2 number, since 2×97320752213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97320757213) 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, 48660376106 + 48660376107.

It is an arithmetic number, because the mean of its divisors is an integer number (48660376107).

Almost surely, 2^97320752213 is an apocalyptic number.

It is an amenable number.

97320752213 is a deficient number, since it is larger than the sum of its proper divisors (1).

97320752213 is an equidigital number, since it uses as much as digits as its factorization.

97320752213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 97320752213 in words is "ninety-seven billion, three hundred twenty million, seven hundred fifty-two thousand, two hundred thirteen".