97505573 has 8 divisors (see below), whose sum is σ = 106647840. Its totient is φ = 88409680.

The previous prime is 97505563. The next prime is 97505621. The reversal of 97505573 is 37550579.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97505573 - 2¹⁸ = 97243429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97505573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97505563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7115 + ... + 15672.

It is an arithmetic number, because the mean of its divisors is an integer number (13330980).

Almost surely, 2^97505573 is an apocalyptic number.

It is an amenable number.

97505573 is a deficient number, since it is larger than the sum of its proper divisors (9142267).

97505573 is a wasteful number, since it uses less digits than its factorization.

97505573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 97505573 is about 9874.4910248579. The cubic root of 97505573 is about 460.2669732543.

The spelling of 97505573 in words is "ninety-seven million, five hundred five thousand, five hundred seventy-three".