97205573 has 2 divisors, whose sum is σ = 97205574. Its totient is φ = 97205572.

The previous prime is 97205569. The next prime is 97205597. The reversal of 97205573 is 37550279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 43652449 = 7318^2 + 6607^2 .

It is a cyclic number.

It is not a de Polignac number, because 97205573 - 2² = 97205569 is a prime.

It is equal to p_5609648 and since 97205573 and 5609648 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97207573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48602786 + 48602787.

It is an arithmetic number, because the mean of its divisors is an integer number (48602787).

Almost surely, 2^97205573 is an apocalyptic number.

It is an amenable number.

97205573 is a deficient number, since it is larger than the sum of its proper divisors (1).

97205573 is an equidigital number, since it uses as much as digits as its factorization.

97205573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 97205573 is about 9859.2886660245. The cubic root of 97205573 is about 459.7944465984.

The spelling of 97205573 in words is "ninety-seven million, two hundred five thousand, five hundred seventy-three".