96647561 has 2 divisors, whose sum is σ = 96647562. Its totient is φ = 96647560.

The previous prime is 96647549. The next prime is 96647563. The reversal of 96647561 is 16574669.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 44302336 = 7235^2 + 6656^2 .

It is a cyclic number.

It is not a de Polignac number, because 96647561 - 2¹⁴ = 96631177 is a prime.

Together with 96647563, 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 (96647563) 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, 48323780 + 48323781.

It is an arithmetic number, because the mean of its divisors is an integer number (48323781).

Almost surely, 2^96647561 is an apocalyptic number.

It is an amenable number.

96647561 is a deficient number, since it is larger than the sum of its proper divisors (1).

96647561 is an equidigital number, since it uses as much as digits as its factorization.

96647561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 96647561 is about 9830.9491403425. The cubic root of 96647561 is about 458.9129356115.

The spelling of 96647561 in words is "ninety-six million, six hundred forty-seven thousand, five hundred sixty-one".