5285785 has 4 divisors (see below), whose sum is σ = 6342948. Its totient is φ = 4228624.

The previous prime is 5285773. The next prime is 5285789. The reversal of 5285785 is 5875825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 2368521 = 1708^2 + 1539^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285785 - 2¹⁷ = 5154713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528574 + ... + 528583.

It is an arithmetic number, because the mean of its divisors is an integer number (1585737).

Almost surely, 2^5285785 is an apocalyptic number.

It is an amenable number.

5285785 is a deficient number, since it is larger than the sum of its proper divisors (1057163).

5285785 is a wasteful number, since it uses less digits than its factorization.

5285785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057162.

The product of its digits is 112000, while the sum is 40.

The square root of 5285785 is about 2299.0835130547. The cubic root of 5285785 is about 174.1953260785.

Adding to 5285785 its sum of digits (40), we get a palindrome (5285825).

The spelling of 5285785 in words is "five million, two hundred eighty-five thousand, seven hundred eighty-five".