97285 has 4 divisors (see below), whose sum is σ = 116748. Its totient is φ = 77824.

The previous prime is 97283. The next prime is 97301. The reversal of 97285 is 58279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58279 = 13 ⋅4483.

It can be written as a sum of positive squares in 2 ways, for example, as 58081 + 39204 = 241^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 97285 - 2¹ = 97283 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3 and base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9724 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (29187).

2⁹⁷²⁸⁵ is an apocalyptic number.

It is an amenable number.

97285 is a deficient number, since it is larger than the sum of its proper divisors (19463).

97285 is a wasteful number, since it uses less digits than its factorization.

97285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19462.

The product of its digits is 5040, while the sum is 31.

The square root of 97285 is about 311.9054343868. The cubic root of 97285 is about 45.9919645700.

The spelling of 97285 in words is "ninety-seven thousand, two hundred eighty-five".