505828505 has 16 divisors (see below), whose sum is σ = 747070464. Its totient is φ = 320172480.

The previous prime is 505828481. The next prime is 505828513.

505828505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505828505 - 2⁶ = 505828441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555401 + ... + 556310.

It is an arithmetic number, because the mean of its divisors is an integer number (46691904).

Almost surely, 2^505828505 is an apocalyptic number.

It is an amenable number.

505828505 is a deficient number, since it is larger than the sum of its proper divisors (241241959).

505828505 is a wasteful number, since it uses less digits than its factorization.

505828505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111736.

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 505828505 is about 22490.6314940244. The cubic root of 505828505 is about 796.7726776834.

The spelling of 505828505 in words is "five hundred five million, eight hundred twenty-eight thousand, five hundred five".