505006601 has 16 divisors (see below), whose sum is σ = 555797760. Its totient is φ = 455051520.

The previous prime is 505006591. The next prime is 505006633. The reversal of 505006601 is 106600505.

It is a de Polignac number, because none of the positive numbers 2^k-505006601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505006661) 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 15 ways as a sum of consecutive naturals, for example, 1090496 + ... + 1090958.

It is an arithmetic number, because the mean of its divisors is an integer number (34737360).

Almost surely, 2^505006601 is an apocalyptic number.

It is an amenable number.

505006601 is a deficient number, since it is larger than the sum of its proper divisors (50791159).

505006601 is a wasteful number, since it uses less digits than its factorization.

505006601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 505006601 is about 22472.3519240866. The cubic root of 505006601 is about 796.3408938822.

The spelling of 505006601 in words is "five hundred five million, six thousand, six hundred one".