5205871 has 8 divisors (see below), whose sum is σ = 5733504. Its totient is φ = 4687320.

The previous prime is 5205853. The next prime is 5205883. The reversal of 5205871 is 1785025.

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

It is not a de Polignac number, because 5205871 - 2⁵ = 5205839 is a prime.

It is an Ulam number.

It is a Duffinian number.

5205871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (716688).

Almost surely, 2^5205871 is an apocalyptic number.

5205871 is a deficient number, since it is larger than the sum of its proper divisors (527633).

5205871 is a wasteful number, since it uses less digits than its factorization.

5205871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5205871 is about 2281.6377889577. The cubic root of 5205871 is about 173.3129976965.

The spelling of 5205871 in words is "five million, two hundred five thousand, eight hundred seventy-one".