497161 has 4 divisors (see below), whose sum is σ = 568192. Its totient is φ = 426132.

The previous prime is 497153. The next prime is 497171. The reversal of 497161 is 161794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161794 = 2 ⋅80897.

It is not a de Polignac number, because 497161 - 2³ = 497153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497111) 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, 35505 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (142048).

2⁴⁹⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

497161 is a deficient number, since it is larger than the sum of its proper divisors (71031).

497161 is an equidigital number, since it uses as much as digits as its factorization.

497161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71030.

The product of its digits is 1512, while the sum is 28.

The square root of 497161 is about 705.0964473035. The cubic root of 497161 is about 79.2195463269.

The spelling of 497161 in words is "four hundred ninety-seven thousand, one hundred sixty-one".