97609601 has 2 divisors, whose sum is σ = 97609602. Its totient is φ = 97609600.

The previous prime is 97609591. The next prime is 97609619. The reversal of 97609601 is 10690679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 14070001 = 9140^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 97609601 - 2²² = 93415297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97609661) 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, 48804800 + 48804801.

It is an arithmetic number, because the mean of its divisors is an integer number (48804801).

Almost surely, 2^97609601 is an apocalyptic number.

It is an amenable number.

97609601 is a deficient number, since it is larger than the sum of its proper divisors (1).

97609601 is an equidigital number, since it uses as much as digits as its factorization.

97609601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 97609601 is about 9879.7571326425. The cubic root of 97609601 is about 460.4306002604.

The spelling of 97609601 in words is "ninety-seven million, six hundred nine thousand, six hundred one".