505210 has 16 divisors (see below), whose sum is σ = 957600. Its totient is φ = 191376.

The previous prime is 505201. The next prime is 505213. The reversal of 505210 is 12505.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (505213) 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 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2⁵⁰⁵²¹⁰ is an apocalyptic number.

505210 is a deficient number, since it is larger than the sum of its proper divisors (452390).

505210 is a wasteful number, since it uses less digits than its factorization.

505210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 505210 is about 710.7812603045. The cubic root of 505210 is about 79.6447792287.

Adding to 505210 its reverse (12505), we get a palindrome (517715).

The spelling of 505210 in words is "five hundred five thousand, two hundred ten".