5731191 has 12 divisors (see below), whose sum is σ = 8395920. Its totient is φ = 3766560.

The previous prime is 5731177. The next prime is 5731207. The reversal of 5731191 is 1911375.

It is a happy number.

5731191 is a `hidden beast` number, since 573 + 1 + 1 + 91 = 666.

It is not a de Polignac number, because 5731191 - 2¹⁸ = 5469047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3846 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (699660).

Almost surely, 2^5731191 is an apocalyptic number.

5731191 is a deficient number, since it is larger than the sum of its proper divisors (2664729).

5731191 is a wasteful number, since it uses less digits than its factorization.

5731191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9043 counting only the distinct ones).

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

The square root of 5731191 is about 2393.9906014853. The cubic root of 5731191 is about 178.9568365491.

It can be divided in two parts, 573 and 1191, that added together give a square (1764 = 42²).

The spelling of 5731191 in words is "five million, seven hundred thirty-one thousand, one hundred ninety-one".