5613321 has 8 divisors (see below), whose sum is σ = 8553664. Its totient is φ = 3207600.

The previous prime is 5613317. The next prime is 5613329. The reversal of 5613321 is 1233165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5613321 - 2² = 5613317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 267301 = 5613321 / (5 + 6 + 1 + 3 + 3 + 2 + 1).

It is a Curzon number.

5613321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5613329) 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 7 ways as a sum of consecutive naturals, for example, 133630 + ... + 133671.

It is an arithmetic number, because the mean of its divisors is an integer number (1069208).

Almost surely, 2^5613321 is an apocalyptic number.

It is an amenable number.

5613321 is a deficient number, since it is larger than the sum of its proper divisors (2940343).

5613321 is a wasteful number, since it uses less digits than its factorization.

5613321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267311.

The product of its digits is 540, while the sum is 21.

The square root of 5613321 is about 2369.2448163919. The cubic root of 5613321 is about 177.7214956241.

Adding to 5613321 its reverse (1233165), we get a palindrome (6846486).

The spelling of 5613321 in words is "five million, six hundred thirteen thousand, three hundred twenty-one".