2005051505 has 8 divisors (see below), whose sum is σ = 2410029312. Its totient is φ = 1601396208.

The previous prime is 2005051471. The next prime is 2005051523. The reversal of 2005051505 is 5051505002.

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 2005051505 - 2⁶ = 2005051441 is a prime.

It is a Duffinian 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, 327287 + ... + 333356.

It is an arithmetic number, because the mean of its divisors is an integer number (301253664).

Almost surely, 2^2005051505 is an apocalyptic number.

It is an amenable number.

2005051505 is a deficient number, since it is larger than the sum of its proper divisors (404977807).

2005051505 is an equidigital number, since it uses as much as digits as its factorization.

2005051505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661255.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 2005051505 is about 44777.8014757313. The cubic root of 2005051505 is about 1260.9809076628.

Adding to 2005051505 its reverse (5051505002), we get a palindrome (7056556507).

The spelling of 2005051505 in words is "two billion, five million, fifty-one thousand, five hundred five".