5613645 has 16 divisors (see below), whose sum is σ = 9455040. Its totient is φ = 2836224.

The previous prime is 5613637. The next prime is 5613667. The reversal of 5613645 is 5463165.

It is not a de Polignac number, because 5613645 - 2³ = 5613637 is a prime.

It is a super-3 number, since 3×5613645³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Curzon number.

5613645 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (590940).

Almost surely, 2^5613645 is an apocalyptic number.

It is an amenable number.

5613645 is a deficient number, since it is larger than the sum of its proper divisors (3841395).

5613645 is a wasteful number, since it uses less digits than its factorization.

5613645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its digits is 10800, while the sum is 30.

The square root of 5613645 is about 2369.3131916233. The cubic root of 5613645 is about 177.7249149105.

The spelling of 5613645 in words is "five million, six hundred thirteen thousand, six hundred forty-five".