5285815 has 4 divisors (see below), whose sum is σ = 6342984. Its totient is φ = 4228648.

The previous prime is 5285807. The next prime is 5285881. The reversal of 5285815 is 5185825.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5285815 - 2³ = 5285807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528577 + ... + 528586.

It is an arithmetic number, because the mean of its divisors is an integer number (1585746).

Almost surely, 2^5285815 is an apocalyptic number.

5285815 is a deficient number, since it is larger than the sum of its proper divisors (1057169).

5285815 is a wasteful number, since it uses less digits than its factorization.

5285815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057168.

The product of its digits is 16000, while the sum is 34.

The square root of 5285815 is about 2299.0900373844. The cubic root of 5285815 is about 174.1956556322.

The spelling of 5285815 in words is "five million, two hundred eighty-five thousand, eight hundred fifteen".