499249 has 4 divisors (see below), whose sum is σ = 500836. Its totient is φ = 497664.

The previous prime is 499229. The next prime is 499253. The reversal of 499249 is 942994.

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 216225 + 283024 = 465^2 + 532^2 .

It is a 3-Lehmer number, since φ(499249) divides (499249-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499229) 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 3 ways as a sum of consecutive naturals, for example, 144 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (125209).

2⁴⁹⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

499249 is a deficient number, since it is larger than the sum of its proper divisors (1587).

499249 is a wasteful number, since it uses less digits than its factorization.

499249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its digits is 23328, while the sum is 37.

The square root of 499249 is about 706.5755444395. The cubic root of 499249 is about 79.3302947467.

It can be divided in two parts, 4992 and 49, that added together give a square (5041 = 71²).

The spelling of 499249 in words is "four hundred ninety-nine thousand, two hundred forty-nine".