5611605 has 16 divisors (see below), whose sum is σ = 9222144. Its totient is φ = 2911680.

The previous prime is 5611603. The next prime is 5611621. The reversal of 5611605 is 5061165.

It is not a de Polignac number, because 5611605 - 2¹ = 5611603 is a prime.

It is a super-2 number, since 2×5611605² = 62980221352050, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611603) 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, 4501 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (576384).

Almost surely, 2^5611605 is an apocalyptic number.

It is an amenable number.

5611605 is a deficient number, since it is larger than the sum of its proper divisors (3610539).

5611605 is a wasteful number, since it uses less digits than its factorization.

5611605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5611605 is about 2368.8826480010. The cubic root of 5611605 is about 177.7033838759.

It can be divided in two parts, 561160 and 5, that added together give a palindrome (561165).

The spelling of 5611605 in words is "five million, six hundred eleven thousand, six hundred five".