97656049 has 2 divisors, whose sum is σ = 97656050. Its totient is φ = 97656048.

The previous prime is 97656019. The next prime is 97656077. The reversal of 97656049 is 94065679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 25321024 = 8505^2 + 5032^2 .

It is an emirp because it is prime and its reverse (94065679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97656049 - 2⁵ = 97656017 is a prime.

It is not a weakly prime, because it can be changed into another prime (97656019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48828024 + 48828025.

It is an arithmetic number, because the mean of its divisors is an integer number (48828025).

Almost surely, 2^97656049 is an apocalyptic number.

It is an amenable number.

97656049 is a deficient number, since it is larger than the sum of its proper divisors (1).

97656049 is an equidigital number, since it uses as much as digits as its factorization.

97656049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 97656049 is about 9882.1075181360. The cubic root of 97656049 is about 460.5036213873.

The spelling of 97656049 in words is "ninety-seven million, six hundred fifty-six thousand, forty-nine".