3505563 has 6 divisors (see below), whose sum is σ = 5063604. Its totient is φ = 2337036.

The previous prime is 3505559. The next prime is 3505571. The reversal of 3505563 is 3655053.

It is a happy number.

It is not a de Polignac number, because 3505563 - 2² = 3505559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3505543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194745 + ... + 194762.

It is an arithmetic number, because the mean of its divisors is an integer number (843934).

Almost surely, 2^3505563 is an apocalyptic number.

3505563 is a deficient number, since it is larger than the sum of its proper divisors (1558041).

3505563 is a wasteful number, since it uses less digits than its factorization.

3505563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389513 (or 389510 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 3505563 is about 1872.3148773644. The cubic root of 3505563 is about 151.9098467010.

The spelling of 3505563 in words is "three million, five hundred five thousand, five hundred sixty-three".