504997 has 8 divisors (see below), whose sum is σ = 526680. Its totient is φ = 483840.

The previous prime is 504991. The next prime is 505027. The reversal of 504997 is 799405.

It can be written as a sum of positive squares in 4 ways, for example, as 6561 + 498436 = 81^2 + 706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504997 - 2³ = 504989 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 (504991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (65835).

2⁵⁰⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

504997 is a deficient number, since it is larger than the sum of its proper divisors (21683).

504997 is a wasteful number, since it uses less digits than its factorization.

504997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 504997 is about 710.6314093818. The cubic root of 504997 is about 79.6335847270.

The spelling of 504997 in words is "five hundred four thousand, nine hundred ninety-seven".