97934321 has 2 divisors, whose sum is σ = 97934322. Its totient is φ = 97934320.

The previous prime is 97934293. The next prime is 97934351. The reversal of 97934321 is 12343979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82810000 + 15124321 = 9100^2 + 3889^2 .

It is an emirp because it is prime and its reverse (12343979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97934321 - 2¹⁸ = 97672177 is a prime.

It is a super-2 number, since 2×97934321² = 19182262459462082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97934351) 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, 48967160 + 48967161.

It is an arithmetic number, because the mean of its divisors is an integer number (48967161).

Almost surely, 2^97934321 is an apocalyptic number.

It is an amenable number.

97934321 is a deficient number, since it is larger than the sum of its proper divisors (1).

97934321 is an equidigital number, since it uses as much as digits as its factorization.

97934321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 97934321 is about 9896.1770901697. The cubic root of 97934321 is about 460.9406099823.

The spelling of 97934321 in words is "ninety-seven million, nine hundred thirty-four thousand, three hundred twenty-one".