97382321 has 2 divisors, whose sum is σ = 97382322. Its totient is φ = 97382320.

The previous prime is 97382303. The next prime is 97382347. The reversal of 97382321 is 12328379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 19678096 = 8815^2 + 4436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97382321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97382371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48691160 + 48691161.

It is an arithmetic number, because the mean of its divisors is an integer number (48691161).

Almost surely, 2^97382321 is an apocalyptic number.

It is an amenable number.

97382321 is a deficient number, since it is larger than the sum of its proper divisors (1).

97382321 is an equidigital number, since it uses as much as digits as its factorization.

97382321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 97382321 is about 9868.2481221339. The cubic root of 97382321 is about 460.0729578672.

The spelling of 97382321 in words is "ninety-seven million, three hundred eighty-two thousand, three hundred twenty-one".