5660231 has 4 divisors (see below), whose sum is σ = 5906352. Its totient is φ = 5414112.

The previous prime is 5660209. The next prime is 5660243. The reversal of 5660231 is 1320665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320665 = 5 ⋅264133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5660231 is a prime.

It is a super-2 number, since 2×5660231² = 64076429946722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 246097 = 5660231 / (5 + 6 + 6 + 0 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5660197 and 5660206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660531) by changing a digit.

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, 123026 + ... + 123071.

It is an arithmetic number, because the mean of its divisors is an integer number (1476588).

Almost surely, 2^5660231 is an apocalyptic number.

5660231 is a deficient number, since it is larger than the sum of its proper divisors (246121).

5660231 is a wasteful number, since it uses less digits than its factorization.

5660231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246120.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5660231 is about 2379.1239984498. The cubic root of 5660231 is about 178.2151902347.

Adding to 5660231 its reverse (1320665), we get a palindrome (6980896).

The spelling of 5660231 in words is "five million, six hundred sixty thousand, two hundred thirty-one".