503066 has 4 divisors (see below), whose sum is σ = 754602. Its totient is φ = 251532.

The previous prime is 503053. The next prime is 503077. The reversal of 503066 is 660305.

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

It can be written as a sum of positive squares in only one way, i.e., 461041 + 42025 = 679^2 + 205^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503066.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 125765 + ... + 125768.

2⁵⁰³⁰⁶⁶ is an apocalyptic number.

503066 is a deficient number, since it is larger than the sum of its proper divisors (251536).

503066 is a wasteful number, since it uses less digits than its factorization.

503066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251535.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 503066 is about 709.2714572010. The cubic root of 503066 is about 79.5319545080.

The spelling of 503066 in words is "five hundred three thousand, sixty-six".