5685129 has 6 divisors (see below), whose sum is σ = 8211866. Its totient is φ = 3790080.

The previous prime is 5685103. The next prime is 5685137. The reversal of 5685129 is 9215865.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4613904 + 1071225 = 2148^2 + 1035^2 .

It is not a de Polignac number, because 5685129 - 2⁹ = 5684617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5685093 and 5685102.

It is not an unprimeable number, because it can be changed into a prime (5685149) 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, 315832 + ... + 315849.

Almost surely, 2^5685129 is an apocalyptic number.

It is an amenable number.

5685129 is a deficient number, since it is larger than the sum of its proper divisors (2526737).

5685129 is a wasteful number, since it uses less digits than its factorization.

5685129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631687 (or 631684 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5685129 is about 2384.3508550547. The cubic root of 5685129 is about 178.4761166643.

The spelling of 5685129 in words is "five million, six hundred eighty-five thousand, one hundred twenty-nine".