8165537 has 2 divisors, whose sum is σ = 8165538. Its totient is φ = 8165536.

The previous prime is 8165533. The next prime is 8165539. The reversal of 8165537 is 7355618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 1201216 = 2639^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 8165537 - 2² = 8165533 is a prime.

It is a super-3 number, since 3×8165537³ (a number of 22 digits) contains 333 as substring.

Together with 8165539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8165497 and 8165506.

It is not a weakly prime, because it can be changed into another prime (8165533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082768 + 4082769.

It is an arithmetic number, because the mean of its divisors is an integer number (4082769).

Almost surely, 2^8165537 is an apocalyptic number.

It is an amenable number.

8165537 is a deficient number, since it is larger than the sum of its proper divisors (1).

8165537 is an equidigital number, since it uses as much as digits as its factorization.

8165537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 8165537 is about 2857.5403759177. The cubic root of 8165537 is about 201.3700681354.

The spelling of 8165537 in words is "eight million, one hundred sixty-five thousand, five hundred thirty-seven".