5991271 has 8 divisors (see below), whose sum is σ = 7038864. Its totient is φ = 5027520.

The previous prime is 5991263. The next prime is 5991311. The reversal of 5991271 is 1721995.

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 5991271 - 2³ = 5991263 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 (5991221) 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, 20806 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (879858).

Almost surely, 2^5991271 is an apocalyptic number.

5991271 is a deficient number, since it is larger than the sum of its proper divisors (1047593).

5991271 is a wasteful number, since it uses less digits than its factorization.

5991271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41921.

The product of its digits is 5670, while the sum is 34.

The square root of 5991271 is about 2447.7072945922. The cubic root of 5991271 is about 181.6238962616.

The spelling of 5991271 in words is "five million, nine hundred ninety-one thousand, two hundred seventy-one".