505011705 has 32 divisors (see below), whose sum is σ = 905309568. Its totient is φ = 238233600.

The previous prime is 505011691. The next prime is 505011709. The reversal of 505011705 is 507110505.

It is not a de Polignac number, because 505011705 - 2⁶ = 505011641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505011709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35256 + ... + 47465.

It is an arithmetic number, because the mean of its divisors is an integer number (28290924).

Almost surely, 2^505011705 is an apocalyptic number.

505011705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505011705 is a deficient number, since it is larger than the sum of its proper divisors (400297863).

505011705 is a wasteful number, since it uses less digits than its factorization.

505011705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82777.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 505011705 is about 22472.4654855670. The cubic root of 505011705 is about 796.3435766921.

The spelling of 505011705 in words is "five hundred five million, eleven thousand, seven hundred five".