499513 has 4 divisors (see below), whose sum is σ = 570880. Its totient is φ = 428148.

The previous prime is 499507. The next prime is 499519. The reversal of 499513 is 315994.

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.

It is an interprime number because it is at equal distance from previous prime (499507) and next prime (499519).

It is not a de Polignac number, because 499513 - 2⁵ = 499481 is a prime.

It is a Duffinian number.

499513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (499519) 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, 35673 + ... + 35686.

It is an arithmetic number, because the mean of its divisors is an integer number (142720).

2⁴⁹⁹⁵¹³ is an apocalyptic number.

It is an amenable number.

499513 is a deficient number, since it is larger than the sum of its proper divisors (71367).

499513 is an equidigital number, since it uses as much as digits as its factorization.

499513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71366.

The product of its digits is 4860, while the sum is 31.

The square root of 499513 is about 706.7623362913. The cubic root of 499513 is about 79.3442754172.

The spelling of 499513 in words is "four hundred ninety-nine thousand, five hundred thirteen".