5671287 has 12 divisors (see below), whose sum is σ = 8215584. Its totient is φ = 3769920.

The previous prime is 5671279. The next prime is 5671361. The reversal of 5671287 is 7821765.

5671287 is a `hidden beast` number, since 567 + 12 + 87 = 666.

It is not a de Polignac number, because 5671287 - 2³ = 5671279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3487 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (684632).

Almost surely, 2^5671287 is an apocalyptic number.

5671287 is a deficient number, since it is larger than the sum of its proper divisors (2544297).

5671287 is a wasteful number, since it uses less digits than its factorization.

5671287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1827 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 5671287 is about 2381.4464092228. The cubic root of 5671287 is about 178.3311493216.

The spelling of 5671287 in words is "five million, six hundred seventy-one thousand, two hundred eighty-seven".