505205082 has 48 divisors (see below), whose sum is σ = 1178686080. Its totient is φ = 155803776.

The previous prime is 505205059. The next prime is 505205087. The reversal of 505205082 is 280502505.

It is not an unprimeable number, because it can be changed into a prime (505205087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4063 + ... + 32045.

It is an arithmetic number, because the mean of its divisors is an integer number (24555960).

Almost surely, 2^505205082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505205082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589343040).

505205082 is an abundant number, since it is smaller than the sum of its proper divisors (673480998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505205082 is a wasteful number, since it uses less digits than its factorization.

505205082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28067 (or 28064 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 505205082 is about 22476.7676056857. The cubic root of 505205082 is about 796.4452079209.

Adding to 505205082 its reverse (280502505), we get a palindrome (785707587).

The spelling of 505205082 in words is "five hundred five million, two hundred five thousand, eighty-two".