97364921 has 2 divisors, whose sum is σ = 97364922. Its totient is φ = 97364920.

The previous prime is 97364903. The next prime is 97364923. The reversal of 97364921 is 12946379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 440896 = 9845^2 + 664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97364921 is a prime.

Together with 97364923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97364923) 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, 48682460 + 48682461.

It is an arithmetic number, because the mean of its divisors is an integer number (48682461).

Almost surely, 2^97364921 is an apocalyptic number.

It is an amenable number.

97364921 is a deficient number, since it is larger than the sum of its proper divisors (1).

97364921 is an equidigital number, since it uses as much as digits as its factorization.

97364921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 97364921 is about 9867.3664673002. The cubic root of 97364921 is about 460.0455547197.

The spelling of 97364921 in words is "ninety-seven million, three hundred sixty-four thousand, nine hundred twenty-one".