8251165 has 16 divisors (see below), whose sum is σ = 10843056. Its totient is φ = 5990400.

The previous prime is 8251157. The next prime is 8251183. The reversal of 8251165 is 5611528.

It can be written as a sum of positive squares in 8 ways, for example, as 2859481 + 5391684 = 1691^2 + 2322^2 .

It is not a de Polignac number, because 8251165 - 2³ = 8251157 is a prime.

It is a Duffinian number.

8251165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (677691).

Almost surely, 2^8251165 is an apocalyptic number.

It is an amenable number.

8251165 is a deficient number, since it is larger than the sum of its proper divisors (2591891).

8251165 is a wasteful number, since it uses less digits than its factorization.

8251165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 2400, while the sum is 28.

The square root of 8251165 is about 2872.4841165792. The cubic root of 8251165 is about 202.0715117847.

The spelling of 8251165 in words is "eight million, two hundred fifty-one thousand, one hundred sixty-five".