505350005 has 4 divisors (see below), whose sum is σ = 606420012. Its totient is φ = 404280000.

The previous prime is 505349983. The next prime is 505350017. The reversal of 505350005 is 500053505.

It is a happy number.

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 199204996 + 306145009 = 14114^2 + 17497^2 .

It is not a de Polignac number, because 505350005 - 2⁸ = 505349749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50534996 + ... + 50535005.

It is an arithmetic number, because the mean of its divisors is an integer number (151605003).

Almost surely, 2^505350005 is an apocalyptic number.

It is an amenable number.

505350005 is a deficient number, since it is larger than the sum of its proper divisors (101070007).

505350005 is a wasteful number, since it uses less digits than its factorization.

505350005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101070006.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 505350005 is about 22479.9912144111. The cubic root of 505350005 is about 796.5213566626.

The spelling of 505350005 in words is "five hundred five million, three hundred fifty thousand, five".