5271881 has 4 divisors (see below), whose sum is σ = 5453700. Its totient is φ = 5090064.

The previous prime is 5271869. The next prime is 5271883. The reversal of 5271881 is 1881725.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 1974025 = 1816^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 5271881 - 2⁶ = 5271817 is a prime.

It is a super-2 number, since 2×5271881² = 55585458556322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5271883) 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, 90866 + ... + 90923.

It is an arithmetic number, because the mean of its divisors is an integer number (1363425).

Almost surely, 2^5271881 is an apocalyptic number.

It is an amenable number.

5271881 is a deficient number, since it is larger than the sum of its proper divisors (181819).

5271881 is a wasteful number, since it uses less digits than its factorization.

5271881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181818.

The product of its digits is 4480, while the sum is 32.

The square root of 5271881 is about 2296.0577083340. The cubic root of 5271881 is about 174.0424545193.

The spelling of 5271881 in words is "five million, two hundred seventy-one thousand, eight hundred eighty-one".