497903 has 4 divisors (see below), whose sum is σ = 569040. Its totient is φ = 426768.

The previous prime is 497899. The next prime is 497929. The reversal of 497903 is 309794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309794 = 2 ⋅154897.

It is a cyclic number.

It is not a de Polignac number, because 497903 - 2² = 497899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497963) 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, 35558 + ... + 35571.

It is an arithmetic number, because the mean of its divisors is an integer number (142260).

2⁴⁹⁷⁹⁰³ is an apocalyptic number.

497903 is a deficient number, since it is larger than the sum of its proper divisors (71137).

497903 is an equidigital number, since it uses as much as digits as its factorization.

497903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71136.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 497903 is about 705.6224202787. The cubic root of 497903 is about 79.2589377813.

The spelling of 497903 in words is "four hundred ninety-seven thousand, nine hundred three".