8135285 has 4 divisors (see below), whose sum is σ = 9762348. Its totient is φ = 6508224.

The previous prime is 8135279. The next prime is 8135311. The reversal of 8135285 is 5825318.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5825318 = 2 ⋅2912659.

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 3771364 = 2089^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 8135285 - 2⁶ = 8135221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813524 + ... + 813533.

It is an arithmetic number, because the mean of its divisors is an integer number (2440587).

Almost surely, 2^8135285 is an apocalyptic number.

It is an amenable number.

8135285 is a deficient number, since it is larger than the sum of its proper divisors (1627063).

8135285 is a wasteful number, since it uses less digits than its factorization.

8135285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627062.

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

The square root of 8135285 is about 2852.2421005237. The cubic root of 8135285 is about 201.1210791659.

The spelling of 8135285 in words is "eight million, one hundred thirty-five thousand, two hundred eighty-five".