8285161 has 4 divisors (see below), whose sum is σ = 8313732. Its totient is φ = 8256592.

The previous prime is 8285107. The next prime is 8285177. The reversal of 8285161 is 1615828.

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 5851561 + 2433600 = 2419^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 8285161 - 2⁹ = 8284649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8285191) 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, 13846 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (2078433).

Almost surely, 2^8285161 is an apocalyptic number.

It is an amenable number.

8285161 is a deficient number, since it is larger than the sum of its proper divisors (28571).

8285161 is a wasteful number, since it uses less digits than its factorization.

8285161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28570.

The product of its digits is 3840, while the sum is 31.

The square root of 8285161 is about 2878.3955600299. The cubic root of 8285161 is about 202.3486528525.

The spelling of 8285161 in words is "eight million, two hundred eighty-five thousand, one hundred sixty-one".