505053 has 12 divisors (see below), whose sum is σ = 772668. Its totient is φ = 316800.

The previous prime is 505051. The next prime is 505061. The reversal of 505053 is 350505.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 257049 = 498^2 + 507^2 .

It is not a de Polignac number, because 505053 - 2¹ = 505051 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

505053 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051) 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 11 ways as a sum of consecutive naturals, for example, 1498 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (64389).

2⁵⁰⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

505053 is a deficient number, since it is larger than the sum of its proper divisors (267615).

505053 is a wasteful number, since it uses less digits than its factorization.

505053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 505053 is about 710.6708098691. The cubic root of 505053 is about 79.6365281873.

Adding to 505053 its reverse (350505), we get a palindrome (855558).

The spelling of 505053 in words is "five hundred five thousand, fifty-three".