504897499 has 4 divisors (see below), whose sum is σ = 505064560. Its totient is φ = 504730440.

The previous prime is 504897479. The next prime is 504897521. The reversal of 504897499 is 994798405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994798405 = 5 ⋅198959681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504897499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504897479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78912 + ... + 85069.

It is an arithmetic number, because the mean of its divisors is an integer number (126266140).

Almost surely, 2^504897499 is an apocalyptic number.

504897499 is a deficient number, since it is larger than the sum of its proper divisors (167061).

504897499 is a wasteful number, since it uses less digits than its factorization.

504897499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167060.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 504897499 is about 22469.9243211899. The cubic root of 504897499 is about 796.2835423931.

The spelling of 504897499 in words is "five hundred four million, eight hundred ninety-seven thousand, four hundred ninety-nine".