5717731 has 4 divisors (see below), whose sum is σ = 5966352. Its totient is φ = 5469112.

The previous prime is 5717707. The next prime is 5717741. The reversal of 5717731 is 1377175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5717731 - 2⁷ = 5717603 is a prime.

It is a super-2 number, since 2×5717731² = 65384895576722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5717693 and 5717702.

It is not an unprimeable number, because it can be changed into a prime (5717741) 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, 124276 + ... + 124321.

It is an arithmetic number, because the mean of its divisors is an integer number (1491588).

Almost surely, 2^5717731 is an apocalyptic number.

5717731 is a deficient number, since it is larger than the sum of its proper divisors (248621).

5717731 is a wasteful number, since it uses less digits than its factorization.

5717731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248620.

The product of its digits is 5145, while the sum is 31.

The square root of 5717731 is about 2391.1777432889. The cubic root of 5717731 is about 178.8166302532.

The spelling of 5717731 in words is "five million, seven hundred seventeen thousand, seven hundred thirty-one".