5665487 has 4 divisors (see below), whose sum is σ = 5684016. Its totient is φ = 5646960.

The previous prime is 5665483. The next prime is 5665507. The reversal of 5665487 is 7845665.

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 5665487 - 2² = 5665483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665483) 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, 8798 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (1421004).

Almost surely, 2^5665487 is an apocalyptic number.

5665487 is a deficient number, since it is larger than the sum of its proper divisors (18529).

5665487 is a wasteful number, since it uses less digits than its factorization.

5665487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18528.

The product of its digits is 201600, while the sum is 41.

The square root of 5665487 is about 2380.2283503899. The cubic root of 5665487 is about 178.2703357611.

The spelling of 5665487 in words is "five million, six hundred sixty-five thousand, four hundred eighty-seven".