4871831 has 2 divisors, whose sum is σ = 4871832. Its totient is φ = 4871830.

The previous prime is 4871821. The next prime is 4871833. The reversal of 4871831 is 1381784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4871831 - 2¹⁸ = 4609687 is a prime.

It is a super-2 number, since 2×4871831² = 47469474585122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4871833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4871833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435915 + 2435916.

It is an arithmetic number, because the mean of its divisors is an integer number (2435916).

Almost surely, 2^4871831 is an apocalyptic number.

4871831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871831 is an equidigital number, since it uses as much as digits as its factorization.

4871831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 4871831 is about 2207.2224627346. Note that the first 3 decimals coincide. The cubic root of 4871831 is about 169.5238231642.

The spelling of 4871831 in words is "four million, eight hundred seventy-one thousand, eight hundred thirty-one".