5660287 has 4 divisors (see below), whose sum is σ = 5668576. Its totient is φ = 5652000.

The previous prime is 5660279. The next prime is 5660293. The reversal of 5660287 is 7820665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5660287 - 2³ = 5660279 is a prime.

It is a Duffinian number.

5660287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (1417144).

Almost surely, 2^5660287 is an apocalyptic number.

5660287 is a deficient number, since it is larger than the sum of its proper divisors (8289).

5660287 is an equidigital number, since it uses as much as digits as its factorization.

5660287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 5660287 is about 2379.1357674584. The cubic root of 5660287 is about 178.2157779620.

The spelling of 5660287 in words is "five million, six hundred sixty thousand, two hundred eighty-seven".