4165065 has 12 divisors (see below), whose sum is σ = 7219524. Its totient is φ = 2221344.

The previous prime is 4165061. The next prime is 4165079. The reversal of 4165065 is 5605614.

It is a happy number.

4165065 is a `hidden beast` number, since 4 + 1 + 650 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 3283344 = 939^2 + 1812^2 .

It is not a de Polignac number, because 4165065 - 2² = 4165061 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4165061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46234 + ... + 46323.

It is an arithmetic number, because the mean of its divisors is an integer number (601627).

Almost surely, 2^4165065 is an apocalyptic number.

4165065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4165065 is a deficient number, since it is larger than the sum of its proper divisors (3054459).

4165065 is a wasteful number, since it uses less digits than its factorization.

4165065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92568 (or 92565 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4165065 is about 2040.8490880023. The cubic root of 4165065 is about 160.8942762296.

The spelling of 4165065 in words is "four million, one hundred sixty-five thousand, sixty-five".