5171731 has 4 divisors (see below), whose sum is σ = 5178472. Its totient is φ = 5164992.

The previous prime is 5171729. The next prime is 5171753. The reversal of 5171731 is 1371715.

5171731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5171731 - 2¹ = 5171729 is a prime.

It is a super-2 number, since 2×5171731² = 53493603072722, 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 = 5171696 and 5171705.

It is not an unprimeable number, because it can be changed into a prime (5171531) 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, 2046 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (1294618).

Almost surely, 2^5171731 is an apocalyptic number.

5171731 is a deficient number, since it is larger than the sum of its proper divisors (6741).

5171731 is an equidigital number, since it uses as much as digits as its factorization.

5171731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740.

The product of its digits is 735, while the sum is 25.

The square root of 5171731 is about 2274.1440147889. The cubic root of 5171731 is about 172.9333053972.

The spelling of 5171731 in words is "five million, one hundred seventy-one thousand, seven hundred thirty-one".