5685397 has 2 divisors, whose sum is σ = 5685398. Its totient is φ = 5685396.

The previous prime is 5685377. The next prime is 5685403. The reversal of 5685397 is 7935865.

5685397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3651921 + 2033476 = 1911^2 + 1426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5685397 is a prime.

It is a d-powerful number, because it can be written as 5 + 6³ + 8³ + 5⁷ + 3³ + 9⁷ + 7⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5685377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842698 + 2842699.

It is an arithmetic number, because the mean of its divisors is an integer number (2842699).

Almost surely, 2^5685397 is an apocalyptic number.

It is an amenable number.

5685397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685397 is an equidigital number, since it uses as much as digits as its factorization.

5685397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 5685397 is about 2384.4070541751. The cubic root of 5685397 is about 178.4789211065.

The spelling of 5685397 in words is "five million, six hundred eighty-five thousand, three hundred ninety-seven".