505011005 has 8 divisors (see below), whose sum is σ = 618907392. Its totient is φ = 395412688.

The previous prime is 505010983. The next prime is 505011011. The reversal of 505011005 is 500110505.

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 505011005 - 2⁸ = 505010749 is a prime.

It is a super-2 number, since 2×505011005² = 510072230342220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 1074257 + ... + 1074726.

It is an arithmetic number, because the mean of its divisors is an integer number (77363424).

Almost surely, 2^505011005 is an apocalyptic number.

It is an amenable number.

505011005 is a deficient number, since it is larger than the sum of its proper divisors (113896387).

505011005 is a wasteful number, since it uses less digits than its factorization.

505011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149035.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 505011005 is about 22472.4499109465. The cubic root of 505011005 is about 796.3432087530.

The spelling of 505011005 in words is "five hundred five million, eleven thousand, five".