5687851 has 4 divisors (see below), whose sum is σ = 6125392. Its totient is φ = 5250312.

The previous prime is 5687839. The next prime is 5687861. The reversal of 5687851 is 1587865.

5687851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5687851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5687861) 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, 218751 + ... + 218776.

It is an arithmetic number, because the mean of its divisors is an integer number (1531348).

Almost surely, 2^5687851 is an apocalyptic number.

5687851 is a deficient number, since it is larger than the sum of its proper divisors (437541).

5687851 is a wasteful number, since it uses less digits than its factorization.

5687851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437540.

The product of its digits is 67200, while the sum is 40.

The square root of 5687851 is about 2384.9215920026. The cubic root of 5687851 is about 178.5045964915.

The spelling of 5687851 in words is "five million, six hundred eighty-seven thousand, eight hundred fifty-one".