5686309 has 2 divisors, whose sum is σ = 5686310. Its totient is φ = 5686308.

The previous prime is 5686297. The next prime is 5686333. The reversal of 5686309 is 9036865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5189284 + 497025 = 2278^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686309 - 2⁷ = 5686181 is a prime.

It is a super-2 number, since 2×5686309² = 64668220086962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5686399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843154 + 2843155.

It is an arithmetic number, because the mean of its divisors is an integer number (2843155).

Almost surely, 2^5686309 is an apocalyptic number.

It is an amenable number.

5686309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686309 is an equidigital number, since it uses as much as digits as its factorization.

5686309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 5686309 is about 2384.5982890206. The cubic root of 5686309 is about 178.4884639214.

It can be divided in two parts, 5686 and 309, that added together give a palindrome (5995).

The spelling of 5686309 in words is "five million, six hundred eighty-six thousand, three hundred nine".