5271831 has 8 divisors (see below), whose sum is σ = 7810160. Its totient is φ = 3514536.

The previous prime is 5271817. The next prime is 5271839. The reversal of 5271831 is 1381725.

It is not a de Polignac number, because 5271831 - 2⁷ = 5271703 is a prime.

It is a super-2 number, since 2×5271831² = 55584404185122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 195253 = 5271831 / (5 + 2 + 7 + 1 + 8 + 3 + 1).

It is a Duffinian number.

5271831 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5271795 and 5271804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271839) 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, 97600 + ... + 97653.

It is an arithmetic number, because the mean of its divisors is an integer number (976270).

Almost surely, 2^5271831 is an apocalyptic number.

5271831 is a deficient number, since it is larger than the sum of its proper divisors (2538329).

5271831 is a wasteful number, since it uses less digits than its factorization.

5271831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195262 (or 195256 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5271831 is about 2296.0468200801. The cubic root of 5271831 is about 174.0419042950.

The spelling of 5271831 in words is "five million, two hundred seventy-one thousand, eight hundred thirty-one".