5668281 has 24 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 3570336.

The previous prime is 5668279. The next prime is 5668283. The reversal of 5668281 is 1828665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5668279) and next prime (5668283).

It is not a de Polignac number, because 5668281 - 2¹ = 5668279 is a prime.

It is a super-2 number, since 2×5668281² = 64258818989922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28675 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^5668281 is an apocalyptic number.

It is an amenable number.

5668281 is a deficient number, since it is larger than the sum of its proper divisors (2980359).

5668281 is a wasteful number, since it uses less digits than its factorization.

5668281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 5668281 is about 2380.8151965241. The cubic root of 5668281 is about 178.2996362997.

The spelling of 5668281 in words is "five million, six hundred sixty-eight thousand, two hundred eighty-one".