3500505 has 24 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 1846944.

The previous prime is 3500477. The next prime is 3500509. The reversal of 3500505 is 5050053.

It is not a de Polignac number, because 3500505 - 2⁵ = 3500473 is a prime.

3500505 is a modest number, since divided by 505 gives 350 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3500509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4452 + ... + 5178.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^3500505 is an apocalyptic number.

It is an amenable number.

3500505 is a deficient number, since it is larger than the sum of its proper divisors (2632167).

3500505 is a wasteful number, since it uses less digits than its factorization.

3500505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 3500505 is about 1870.9636554460. The cubic root of 3500505 is about 151.8367505161.

Adding to 3500505 its reverse (5050053), we get a palindrome (8550558).

It can be divided in two parts, 3500 and 505, that added together give a triangular number (4005 = T₈₉).

The spelling of 3500505 in words is "three million, five hundred thousand, five hundred five".