97206605 has 4 divisors (see below), whose sum is σ = 116647932. Its totient is φ = 77765280.

The previous prime is 97206589. The next prime is 97206619. The reversal of 97206605 is 50660279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35772361 + 61434244 = 5981^2 + 7838^2 .

It is not a de Polignac number, because 97206605 - 2⁴ = 97206589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9720656 + ... + 9720665.

It is an arithmetic number, because the mean of its divisors is an integer number (29161983).

Almost surely, 2^97206605 is an apocalyptic number.

It is an amenable number.

97206605 is a deficient number, since it is larger than the sum of its proper divisors (19441327).

97206605 is a wasteful number, since it uses less digits than its factorization.

97206605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441326.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 97206605 is about 9859.3410023186. The cubic root of 97206605 is about 459.7960737554.

The spelling of 97206605 in words is "ninety-seven million, two hundred six thousand, six hundred five".