5685149 has 2 divisors, whose sum is σ = 5685150. Its totient is φ = 5685148.

The previous prime is 5685137. The next prime is 5685179. The reversal of 5685149 is 9415865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4919524 + 765625 = 2218^2 + 875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5685149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5685179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842574 + 2842575.

It is an arithmetic number, because the mean of its divisors is an integer number (2842575).

Almost surely, 2^5685149 is an apocalyptic number.

It is an amenable number.

5685149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685149 is an equidigital number, since it uses as much as digits as its factorization.

5685149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 5685149 is about 2384.3550490646. The cubic root of 5685149 is about 178.4763259540.

The spelling of 5685149 in words is "five million, six hundred eighty-five thousand, one hundred forty-nine".