5731189 has 4 divisors (see below), whose sum is σ = 5886124. Its totient is φ = 5576256.

The previous prime is 5731177. The next prime is 5731207. The reversal of 5731189 is 9811375.

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 3090564 + 2640625 = 1758^2 + 1625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5731189 is a prime.

It is a Duffinian number.

5731189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731139) 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, 77412 + ... + 77485.

It is an arithmetic number, because the mean of its divisors is an integer number (1471531).

Almost surely, 2^5731189 is an apocalyptic number.

It is an amenable number.

5731189 is a deficient number, since it is larger than the sum of its proper divisors (154935).

5731189 is a wasteful number, since it uses less digits than its factorization.

5731189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154934.

The product of its digits is 7560, while the sum is 34.

The square root of 5731189 is about 2393.9901837727. The cubic root of 5731189 is about 178.9568157323.

The spelling of 5731189 in words is "five million, seven hundred thirty-one thousand, one hundred eighty-nine".