80497 has 4 divisors (see below), whose sum is σ = 81396. Its totient is φ = 79600.

The previous prime is 80491. The next prime is 80513. The reversal of 80497 is 79408.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 62001 + 18496 = 249^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 80497 - 2³ = 80489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80491) 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, 298 + ... + 499.

It is an arithmetic number, because the mean of its divisors is an integer number (20349).

2⁸⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

80497 is a deficient number, since it is larger than the sum of its proper divisors (899).

80497 is a wasteful number, since it uses less digits than its factorization.

80497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 80497 is about 283.7199323276. The cubic root of 80497 is about 43.1777391597.

Subtracting from 80497 its reverse (79408), we obtain a square (1089 = 33²).

The spelling of 80497 in words is "eighty thousand, four hundred ninety-seven".