97672241 has 2 divisors, whose sum is σ = 97672242. Its totient is φ = 97672240.

The previous prime is 97672219. The next prime is 97672247. The reversal of 97672241 is 14227679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78836641 + 18835600 = 8879^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 97672241 - 2⁶ = 97672177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97672195 and 97672204.

It is not a weakly prime, because it can be changed into another prime (97672247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836120 + 48836121.

It is an arithmetic number, because the mean of its divisors is an integer number (48836121).

Almost surely, 2^97672241 is an apocalyptic number.

It is an amenable number.

97672241 is a deficient number, since it is larger than the sum of its proper divisors (1).

97672241 is an equidigital number, since it uses as much as digits as its factorization.

97672241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 97672241 is about 9882.9267426203. The cubic root of 97672241 is about 460.5290714666.

The spelling of 97672241 in words is "ninety-seven million, six hundred seventy-two thousand, two hundred forty-one".