505006605 has 48 divisors (see below), whose sum is σ = 929747520. Its totient is φ = 252854784.

The previous prime is 505006591. The next prime is 505006633. The reversal of 505006605 is 506600505.

505006605 is a `hidden beast` number, since 5 + 0 + 50 + 0 + 6 + 605 = 666.

It is not a de Polignac number, because 505006605 - 2⁴ = 505006589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94002 + ... + 99228.

It is an arithmetic number, because the mean of its divisors is an integer number (19369740).

Almost surely, 2^505006605 is an apocalyptic number.

It is an amenable number.

505006605 is a deficient number, since it is larger than the sum of its proper divisors (424740915).

505006605 is a wasteful number, since it uses less digits than its factorization.

505006605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 505006605 is about 22472.3520130849. The cubic root of 505006605 is about 796.3408959847.

The spelling of 505006605 in words is "five hundred five million, six thousand, six hundred five".