5660001 has 24 divisors (see below), whose sum is σ = 8773440. Its totient is φ = 3506976.

The previous prime is 5659993. The next prime is 5660003. The reversal of 5660001 is 1000665.

5660001 is a `hidden beast` number, since 5 + 660 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 5660001 - 2³ = 5659993 is a prime.

It is a super-2 number, since 2×5660001² = 64071222640002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5660003) 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, 7290 + ... + 8028.

It is an arithmetic number, because the mean of its divisors is an integer number (365560).

Almost surely, 2^5660001 is an apocalyptic number.

It is an amenable number.

5660001 is a deficient number, since it is larger than the sum of its proper divisors (3113439).

5660001 is a wasteful number, since it uses less digits than its factorization.

5660001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5660001 is about 2379.0756608397. The cubic root of 5660001 is about 178.2127763138.

Adding to 5660001 its reverse (1000665), we get a palindrome (6660666).

The spelling of 5660001 in words is "five million, six hundred sixty thousand, one".