5641871 has 8 divisors (see below), whose sum is σ = 5841360. Its totient is φ = 5444928.

The previous prime is 5641861. The next prime is 5641897. The reversal of 5641871 is 1781465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5641871 - 2¹⁸ = 5379727 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 (5641861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595 + ... + 5691.

It is an arithmetic number, because the mean of its divisors is an integer number (730170).

Almost surely, 2^5641871 is an apocalyptic number.

5641871 is a deficient number, since it is larger than the sum of its proper divisors (199489).

5641871 is a wasteful number, since it uses less digits than its factorization.

5641871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its digits is 6720, while the sum is 32.

The square root of 5641871 is about 2375.2623013048. The cubic root of 5641871 is about 178.0222902692.

The spelling of 5641871 in words is "five million, six hundred forty-one thousand, eight hundred seventy-one".