97244993 has 2 divisors, whose sum is σ = 97244994. Its totient is φ = 97244992.

The previous prime is 97244963. The next prime is 97245017. The reversal of 97244993 is 39944279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 20367169 = 8768^2 + 4513^2 .

It is an emirp because it is prime and its reverse (39944279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97244993 - 2¹⁶ = 97179457 is a prime.

It is not a weakly prime, because it can be changed into another prime (97244963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48622496 + 48622497.

It is an arithmetic number, because the mean of its divisors is an integer number (48622497).

Almost surely, 2^97244993 is an apocalyptic number.

It is an amenable number.

97244993 is a deficient number, since it is larger than the sum of its proper divisors (1).

97244993 is an equidigital number, since it uses as much as digits as its factorization.

97244993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 97244993 is about 9861.2875934129. The cubic root of 97244993 is about 459.8565920323.

The spelling of 97244993 in words is "ninety-seven million, two hundred forty-four thousand, nine hundred ninety-three".