5613805 has 4 divisors (see below), whose sum is σ = 6736572. Its totient is φ = 4491040.

The previous prime is 5613799. The next prime is 5613833. The reversal of 5613805 is 5083165.

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 1212201 + 4401604 = 1101^2 + 2098^2 .

It is not a de Polignac number, because 5613805 - 2¹⁷ = 5482733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561376 + ... + 561385.

It is an arithmetic number, because the mean of its divisors is an integer number (1684143).

Almost surely, 2^5613805 is an apocalyptic number.

It is an amenable number.

5613805 is a deficient number, since it is larger than the sum of its proper divisors (1122767).

5613805 is a wasteful number, since it uses less digits than its factorization.

5613805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122766.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5613805 is about 2369.3469564418. The cubic root of 5613805 is about 177.7266033985.

It can be divided in two parts, 56 and 13805, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 5613805 in words is "five million, six hundred thirteen thousand, eight hundred five".