5665171 has 4 divisors (see below), whose sum is σ = 5697000. Its totient is φ = 5633344.

The previous prime is 5665159. The next prime is 5665183. The reversal of 5665171 is 1715665.

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

It is an interprime number because it is at equal distance from previous prime (5665159) and next prime (5665183).

It is a cyclic number.

It is not a de Polignac number, because 5665171 - 2⁷ = 5665043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5665151) 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, 15646 + ... + 16003.

It is an arithmetic number, because the mean of its divisors is an integer number (1424250).

Almost surely, 2^5665171 is an apocalyptic number.

5665171 is a deficient number, since it is larger than the sum of its proper divisors (31829).

5665171 is a wasteful number, since it uses less digits than its factorization.

5665171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31828.

The product of its digits is 6300, while the sum is 31.

The square root of 5665171 is about 2380.1619692786. The cubic root of 5665171 is about 178.2670212785.

The spelling of 5665171 in words is "five million, six hundred sixty-five thousand, one hundred seventy-one".