505657005 has 32 divisors (see below), whose sum is σ = 933804288. Its totient is φ = 228864000.

The previous prime is 505656929. The next prime is 505657007. The reversal of 505657005 is 500756505.

It is not a de Polignac number, because 505657005 - 2¹⁴ = 505640621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505657007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13236 + ... + 34445.

It is an arithmetic number, because the mean of its divisors is an integer number (29181384).

Almost surely, 2^505657005 is an apocalyptic number.

It is an amenable number.

505657005 is a deficient number, since it is larger than the sum of its proper divisors (428147283).

505657005 is a wasteful number, since it uses less digits than its factorization.

505657005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47797.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 505657005 is about 22486.8184721628. The cubic root of 505657005 is about 796.6826195187.

The spelling of 505657005 in words is "five hundred five million, six hundred fifty-seven thousand, five".