5285813 has 6 divisors (see below), whose sum is σ = 5723874. Its totient is φ = 4879056.

The previous prime is 5285807. The next prime is 5285881. The reversal of 5285813 is 3185825.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 5276209 = 98^2 + 2297^2 .

It is not a de Polignac number, because 5285813 - 2¹⁶ = 5220277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5285813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285803) 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, 15470 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (953979).

Almost surely, 2^5285813 is an apocalyptic number.

It is an amenable number.

5285813 is a deficient number, since it is larger than the sum of its proper divisors (438061).

5285813 is a wasteful number, since it uses less digits than its factorization.

5285813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303 (or 31290 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 5285813 is about 2299.0896024296. The cubic root of 5285813 is about 174.1956336620.

The spelling of 5285813 in words is "five million, two hundred eighty-five thousand, eight hundred thirteen".