97308643 has 2 divisors, whose sum is σ = 97308644. Its totient is φ = 97308642.

The previous prime is 97308637. The next prime is 97308647. The reversal of 97308643 is 34680379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97308643 - 2⁹ = 97308131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97308596 and 97308605.

It is not a weakly prime, because it can be changed into another prime (97308647) 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, 48654321 + 48654322.

It is an arithmetic number, because the mean of its divisors is an integer number (48654322).

Almost surely, 2^97308643 is an apocalyptic number.

97308643 is a deficient number, since it is larger than the sum of its proper divisors (1).

97308643 is an equidigital number, since it uses as much as digits as its factorization.

97308643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 97308643 is about 9864.5143316840. The cubic root of 97308643 is about 459.9569004988.

The spelling of 97308643 in words is "ninety-seven million, three hundred eight thousand, six hundred forty-three".