5871209 has 4 divisors (see below), whose sum is σ = 6180240. Its totient is φ = 5562180.

The previous prime is 5871179. The next prime is 5871211. The reversal of 5871209 is 9021785.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5871209 - 2²⁰ = 4822633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5871259) 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, 154487 + ... + 154524.

It is an arithmetic number, because the mean of its divisors is an integer number (1545060).

Almost surely, 2^5871209 is an apocalyptic number.

It is an amenable number.

5871209 is a deficient number, since it is larger than the sum of its proper divisors (309031).

5871209 is a wasteful number, since it uses less digits than its factorization.

5871209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309030.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5871209 is about 2423.0577789232. The cubic root of 5871209 is about 180.4024841391.

The spelling of 5871209 in words is "five million, eight hundred seventy-one thousand, two hundred nine".