8152285 has 4 divisors (see below), whose sum is σ = 9782748. Its totient is φ = 6521824.

The previous prime is 8152283. The next prime is 8152303. The reversal of 8152285 is 5822518.

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 5508409 + 2643876 = 2347^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 8152285 - 2¹ = 8152283 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8152285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8152283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815224 + ... + 815233.

It is an arithmetic number, because the mean of its divisors is an integer number (2445687).

Almost surely, 2^8152285 is an apocalyptic number.

It is an amenable number.

8152285 is a deficient number, since it is larger than the sum of its proper divisors (1630463).

8152285 is a wasteful number, since it uses less digits than its factorization.

8152285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630462.

The product of its digits is 6400, while the sum is 31.

The square root of 8152285 is about 2855.2206569721. The cubic root of 8152285 is about 201.2610734233.

The spelling of 8152285 in words is "eight million, one hundred fifty-two thousand, two hundred eighty-five".