97318849 has 2 divisors, whose sum is σ = 97318850. Its totient is φ = 97318848.

The previous prime is 97318799. The next prime is 97318861. The reversal of 97318849 is 94881379.

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., 91068849 + 6250000 = 9543^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 97318849 - 2⁹ = 97318337 is a prime.

It is not a weakly prime, because it can be changed into another prime (97718849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48659424 + 48659425.

It is an arithmetic number, because the mean of its divisors is an integer number (48659425).

Almost surely, 2^97318849 is an apocalyptic number.

It is an amenable number.

97318849 is a deficient number, since it is larger than the sum of its proper divisors (1).

97318849 is an equidigital number, since it uses as much as digits as its factorization.

97318849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 97318849 is about 9865.0316269133. The cubic root of 97318849 is about 459.9729804545.

The spelling of 97318849 in words is "ninety-seven million, three hundred eighteen thousand, eight hundred forty-nine".