5731911 has 8 divisors (see below), whose sum is σ = 8491760. Its totient is φ = 3821256.

The previous prime is 5731889. The next prime is 5731919. The reversal of 5731911 is 1191375.

It is a happy number.

5731911 is a `hidden beast` number, since 573 + 1 + 91 + 1 = 666.

It is not a de Polignac number, because 5731911 - 2¹¹ = 5729863 is a prime.

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: 212293 = 5731911 / (5 + 7 + 3 + 1 + 9 + 1 + 1).

It is a Duffinian number.

5731911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731919) 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, 106120 + ... + 106173.

It is an arithmetic number, because the mean of its divisors is an integer number (1061470).

Almost surely, 2^5731911 is an apocalyptic number.

5731911 is a deficient number, since it is larger than the sum of its proper divisors (2759849).

5731911 is a wasteful number, since it uses less digits than its factorization.

5731911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212302 (or 212296 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 5731911 is about 2394.1409732929. The cubic root of 5731911 is about 178.9643302519.

The spelling of 5731911 in words is "five million, seven hundred thirty-one thousand, nine hundred eleven".