499573 has 4 divisors (see below), whose sum is σ = 504108. Its totient is φ = 495040.

The previous prime is 499571. The next prime is 499591. The reversal of 499573 is 375994.

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 178084 + 321489 = 422^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 499573 - 2¹ = 499571 is a prime.

It is a Duffinian number.

499573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499571) 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, 2098 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (126027).

2⁴⁹⁹⁵⁷³ is an apocalyptic number.

It is an amenable number.

499573 is a deficient number, since it is larger than the sum of its proper divisors (4535).

499573 is a wasteful number, since it uses less digits than its factorization.

499573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its digits is 34020, while the sum is 37.

The square root of 499573 is about 706.8047821004. The cubic root of 499573 is about 79.3474521553.

The spelling of 499573 in words is "four hundred ninety-nine thousand, five hundred seventy-three".