97281673 has 2 divisors, whose sum is σ = 97281674. Its totient is φ = 97281672.

The previous prime is 97281647. The next prime is 97281707. The reversal of 97281673 is 37618279.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 42994249 = 7368^2 + 6557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97281673 is a prime.

It is not a weakly prime, because it can be changed into another prime (97282673) 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, 48640836 + 48640837.

It is an arithmetic number, because the mean of its divisors is an integer number (48640837).

Almost surely, 2^97281673 is an apocalyptic number.

It is an amenable number.

97281673 is a deficient number, since it is larger than the sum of its proper divisors (1).

97281673 is an equidigital number, since it uses as much as digits as its factorization.

97281673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 97281673 is about 9863.1472157725. The cubic root of 97281673 is about 459.9144027875.

The spelling of 97281673 in words is "ninety-seven million, two hundred eighty-one thousand, six hundred seventy-three".