97841321 has 2 divisors, whose sum is σ = 97841322. Its totient is φ = 97841320.

The previous prime is 97841311. The next prime is 97841327. The reversal of 97841321 is 12314879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69538921 + 28302400 = 8339^2 + 5320^2 .

It is a cyclic number.

It is not a de Polignac number, because 97841321 - 2¹⁸ = 97579177 is a prime.

It is a Chen prime.

It is equal to p_5644385 and since 97841321 and 5644385 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (97841327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48920660 + 48920661.

It is an arithmetic number, because the mean of its divisors is an integer number (48920661).

Almost surely, 2^97841321 is an apocalyptic number.

It is an amenable number.

97841321 is a deficient number, since it is larger than the sum of its proper divisors (1).

97841321 is an equidigital number, since it uses as much as digits as its factorization.

97841321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 97841321 is about 9891.4771899853. The cubic root of 97841321 is about 460.7946582442.

The spelling of 97841321 in words is "ninety-seven million, eight hundred forty-one thousand, three hundred twenty-one".