505530005 has 8 divisors (see below), whose sum is σ = 606825432. Its totient is φ = 404297728.

The previous prime is 505529971. The next prime is 505530013. The reversal of 505530005 is 500035505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46799281 + 458730724 = 6841^2 + 21418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505530005 - 2⁸ = 505529749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (75853179).

Almost surely, 2^505530005 is an apocalyptic number.

It is an amenable number.

505530005 is a deficient number, since it is larger than the sum of its proper divisors (101295427).

505530005 is a wasteful number, since it uses less digits than its factorization.

505530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31575.

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

The square root of 505530005 is about 22483.9944182523. The cubic root of 505530005 is about 796.6159160923.

The spelling of 505530005 in words is "five hundred five million, five hundred thirty thousand, five".