497563 has 4 divisors (see below), whose sum is σ = 542808. Its totient is φ = 452320.

The previous prime is 497561. The next prime is 497579. The reversal of 497563 is 365794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 497563 - 2¹ = 497561 is a prime.

It is a Duffinian number.

497563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (497561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22606 + ... + 22627.

It is an arithmetic number, because the mean of its divisors is an integer number (135702).

2⁴⁹⁷⁵⁶³ is an apocalyptic number.

497563 is a deficient number, since it is larger than the sum of its proper divisors (45245).

497563 is a wasteful number, since it uses less digits than its factorization.

497563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45244.

The product of its digits is 22680, while the sum is 34.

The square root of 497563 is about 705.3814570855. The cubic root of 497563 is about 79.2408926499.

Subtracting from 497563 its reverse (365794), we obtain a square (131769 = 363²).

The spelling of 497563 in words is "four hundred ninety-seven thousand, five hundred sixty-three".