97445 has 4 divisors (see below), whose sum is σ = 116940. Its totient is φ = 77952.

The previous prime is 97441. The next prime is 97453. The reversal of 97445 is 54479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54479 = 157 ⋅347.

It can be written as a sum of positive squares in 2 ways, for example, as 13924 + 83521 = 118^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 97445 - 2² = 97441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97441) 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, 9740 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (29235).

2⁹⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

97445 is a deficient number, since it is larger than the sum of its proper divisors (19495).

97445 is a wasteful number, since it uses less digits than its factorization.

97445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494.

The product of its digits is 5040, while the sum is 29.

The square root of 97445 is about 312.1618170116. The cubic root of 97445 is about 46.0171643570.

The spelling of 97445 in words is "ninety-seven thousand, four hundred forty-five".