8187265 has 8 divisors (see below), whose sum is σ = 9847080. Its totient is φ = 6534912.

The previous prime is 8187247. The next prime is 8187269. The reversal of 8187265 is 5627818.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 4592449 = 1896^2 + 2143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8187265 - 2⁹ = 8186753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8187269) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 937 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (1230885).

Almost surely, 2^8187265 is an apocalyptic number.

It is an amenable number.

8187265 is a deficient number, since it is larger than the sum of its proper divisors (1659815).

8187265 is a wasteful number, since it uses less digits than its factorization.

8187265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 26880, while the sum is 37.

The square root of 8187265 is about 2861.3397211796. The cubic root of 8187265 is about 201.5485211346.

The spelling of 8187265 in words is "eight million, one hundred eighty-seven thousand, two hundred sixty-five".