97650313 has 2 divisors, whose sum is σ = 97650314. Its totient is φ = 97650312.

The previous prime is 97650307. The next prime is 97650331. The reversal of 97650313 is 31305679.

97650313 = 6987² + 6988².

Together with next prime (97650331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 48818169 = 6988^2 + 6987^2 .

It is a cyclic number.

It is not a de Polignac number, because 97650313 - 2⁹ = 97649801 is a prime.

It is not a weakly prime, because it can be changed into another prime (97650373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48825156 + 48825157.

It is an arithmetic number, because the mean of its divisors is an integer number (48825157).

Almost surely, 2^97650313 is an apocalyptic number.

97650313 is the 6988-th centered square number.

It is an amenable number.

97650313 is a deficient number, since it is larger than the sum of its proper divisors (1).

97650313 is an equidigital number, since it uses as much as digits as its factorization.

97650313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 97650313 is about 9881.8172923810. The cubic root of 97650313 is about 460.4946050471.

The spelling of 97650313 in words is "ninety-seven million, six hundred fifty thousand, three hundred thirteen".