5668521 has 8 divisors (see below), whose sum is σ = 7571904. Its totient is φ = 3772080.

The previous prime is 5668519. The next prime is 5668549. The reversal of 5668521 is 1258665.

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

It is not a de Polignac number, because 5668521 - 2¹ = 5668519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5668571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 3426.

It is an arithmetic number, because the mean of its divisors is an integer number (946488).

Almost surely, 2^5668521 is an apocalyptic number.

It is an amenable number.

5668521 is a deficient number, since it is larger than the sum of its proper divisors (1903383).

5668521 is a wasteful number, since it uses less digits than its factorization.

5668521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471.

The product of its digits is 14400, while the sum is 33.

The square root of 5668521 is about 2380.8655988947. The cubic root of 5668521 is about 178.3021527186.

The spelling of 5668521 in words is "five million, six hundred sixty-eight thousand, five hundred twenty-one".