499313 has 4 divisors (see below), whose sum is σ = 508788. Its totient is φ = 489840.

The previous prime is 499309. The next prime is 499321. The reversal of 499313 is 313994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 237169 = 512^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 499313 - 2² = 499309 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 9³ + 3⁵ + 9⁵ + 1 + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499363) 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, 4658 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (127197).

2⁴⁹⁹³¹³ is an apocalyptic number.

It is an amenable number.

499313 is a deficient number, since it is larger than the sum of its proper divisors (9475).

499313 is an equidigital number, since it uses as much as digits as its factorization.

499313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474.

The product of its digits is 2916, while the sum is 29.

The square root of 499313 is about 706.6208318469. The cubic root of 499313 is about 79.3336844526. Note that the first 3 decimals are identical.

The spelling of 499313 in words is "four hundred ninety-nine thousand, three hundred thirteen".