5613613 has 4 divisors (see below), whose sum is σ = 5637148. Its totient is φ = 5590080.

The previous prime is 5613611. The next prime is 5613623. The reversal of 5613613 is 3163165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1857769 + 3755844 = 1363^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613613 - 2¹ = 5613611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11406 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (1409287).

Almost surely, 2^5613613 is an apocalyptic number.

It is an amenable number.

5613613 is a deficient number, since it is larger than the sum of its proper divisors (23535).

5613613 is a wasteful number, since it uses less digits than its factorization.

5613613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23534.

The product of its digits is 1620, while the sum is 25.

The square root of 5613613 is about 2369.3064386018. The cubic root of 5613613 is about 177.7245772090.

Adding to 5613613 its reverse (3163165), we get a palindrome (8776778).

It can be divided in two parts, 5613 and 613, that added together give a palindrome (6226).

The spelling of 5613613 in words is "five million, six hundred thirteen thousand, six hundred thirteen".