97505 has 4 divisors (see below), whose sum is σ = 117012. Its totient is φ = 78000.

The previous prime is 97501. The next prime is 97511. The reversal of 97505 is 50579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50579 = 37 ⋅1367.

It can be written as a sum of positive squares in 2 ways, for example, as 43681 + 53824 = 209^2 + 232^2 .

It is not a de Polignac number, because 97505 - 2² = 97501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97501) 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, 9746 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (29253).

2⁹⁷⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

97505 is a deficient number, since it is larger than the sum of its proper divisors (19507).

97505 is a wasteful number, since it uses less digits than its factorization.

97505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19506.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 97505 is about 312.2579062250. The cubic root of 97505 is about 46.0266071653.

Subtracting from 97505 its sum of digits (26), we obtain a palindrome (97479).

The spelling of 97505 in words is "ninety-seven thousand, five hundred five".