5308731 has 6 divisors (see below), whose sum is σ = 7668180. Its totient is φ = 3539148.

The previous prime is 5308729. The next prime is 5308759. The reversal of 5308731 is 1378035.

It is not a de Polignac number, because 5308731 - 2¹ = 5308729 is a prime.

It is a super-2 number, since 2×5308731² = 56365249660722, which contains 22 as substring.

5308731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5308695 and 5308704.

It is not an unprimeable number, because it can be changed into a prime (5308531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294921 + ... + 294938.

It is an arithmetic number, because the mean of its divisors is an integer number (1278030).

Almost surely, 2^5308731 is an apocalyptic number.

5308731 is a deficient number, since it is larger than the sum of its proper divisors (2359449).

5308731 is a wasteful number, since it uses less digits than its factorization.

5308731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589865 (or 589862 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5308731 is about 2304.0683583609. The cubic root of 5308731 is about 174.4470273222.

It can be divided in two parts, 530 and 8731, that added together give a cube (9261 = 21³).

The spelling of 5308731 in words is "five million, three hundred eight thousand, seven hundred thirty-one".