3613563 has 6 divisors (see below), whose sum is σ = 5219604. Its totient is φ = 2409036.

The previous prime is 3613559. The next prime is 3613601. The reversal of 3613563 is 3653163.

It is not a de Polignac number, because 3613563 - 2² = 3613559 is a prime.

It is a super-3 number, since 3×3613563³ (a number of 21 digits) contains 333 as substring.

3613563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3613513) 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, 200745 + ... + 200762.

It is an arithmetic number, because the mean of its divisors is an integer number (869934).

Almost surely, 2^3613563 is an apocalyptic number.

3613563 is a deficient number, since it is larger than the sum of its proper divisors (1606041).

3613563 is a wasteful number, since it uses less digits than its factorization.

3613563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401513 (or 401510 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 3613563 is about 1900.9374003370. The cubic root of 3613563 is about 153.4541166571.

The spelling of 3613563 in words is "three million, six hundred thirteen thousand, five hundred sixty-three".