499517 has 4 divisors (see below), whose sum is σ = 505920. Its totient is φ = 493116.

The previous prime is 499507. The next prime is 499519. The reversal of 499517 is 715994.

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: 715994 = 2 ⋅357997.

It is a cyclic number.

It is not a de Polignac number, because 499517 - 2¹⁰ = 498493 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 (499519) 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, 3083 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2⁴⁹⁹⁵¹⁷ is an apocalyptic number.

It is an amenable number.

499517 is a deficient number, since it is larger than the sum of its proper divisors (6403).

499517 is an equidigital number, since it uses as much as digits as its factorization.

499517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402.

The product of its digits is 11340, while the sum is 35.

The square root of 499517 is about 706.7651660913. The cubic root of 499517 is about 79.3444872076.

The spelling of 499517 in words is "four hundred ninety-nine thousand, five hundred seventeen".