505152205 has 4 divisors (see below), whose sum is σ = 606182652. Its totient is φ = 404121760.

The previous prime is 505152203. The next prime is 505152209. The reversal of 505152205 is 502251505.

It is a happy number.

505152205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 327356649 + 177795556 = 18093^2 + 13334^2 .

It is not a de Polignac number, because 505152205 - 2¹ = 505152203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505152205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505152203) 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 3 ways as a sum of consecutive naturals, for example, 50515216 + ... + 50515225.

It is an arithmetic number, because the mean of its divisors is an integer number (151545663).

Almost surely, 2^505152205 is an apocalyptic number.

It is an amenable number.

505152205 is a deficient number, since it is larger than the sum of its proper divisors (101030447).

505152205 is a wasteful number, since it uses less digits than its factorization.

505152205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101030446.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 505152205 is about 22475.5913159142. The cubic root of 505152205 is about 796.4174204579.

The spelling of 505152205 in words is "five hundred five million, one hundred fifty-two thousand, two hundred five".