3505200505 has 16 divisors (see below), whose sum is σ = 4462471440. Its totient is φ = 2633992192.

The previous prime is 3505200499. The next prime is 3505200509. The reversal of 3505200505 is 5050025053.

3505200505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1026753849 + 2478446656 = 32043^2 + 49784^2 .

It is a cyclic number.

It is not a de Polignac number, because 3505200505 - 2³ = 3505200497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3505200505.

It is not an unprimeable number, because it can be changed into a prime (3505200509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 83773.

It is an arithmetic number, because the mean of its divisors is an integer number (278904465).

Almost surely, 2^3505200505 is an apocalyptic number.

It is an amenable number.

3505200505 is a deficient number, since it is larger than the sum of its proper divisors (957270935).

3505200505 is a wasteful number, since it uses less digits than its factorization.

3505200505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81548.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 3505200505 is about 59204.7338056679. The cubic root of 3505200505 is about 1519.0461040865.

Adding to 3505200505 its reverse (5050025053), we get a palindrome (8555225558).

The spelling of 3505200505 in words is "three billion, five hundred five million, two hundred thousand, five hundred five".