97738573 has 2 divisors, whose sum is σ = 97738574. Its totient is φ = 97738572.

The previous prime is 97738561. The next prime is 97738579. The reversal of 97738573 is 37583779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 14235529 = 9138^2 + 3773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97738573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97738579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48869286 + 48869287.

It is an arithmetic number, because the mean of its divisors is an integer number (48869287).

Almost surely, 2^97738573 is an apocalyptic number.

It is an amenable number.

97738573 is a deficient number, since it is larger than the sum of its proper divisors (1).

97738573 is an equidigital number, since it uses as much as digits as its factorization.

97738573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 97738573 is about 9886.2820615234. The cubic root of 97738573 is about 460.6333006770.

The spelling of 97738573 in words is "ninety-seven million, seven hundred thirty-eight thousand, five hundred seventy-three".