4206065 has 4 divisors (see below), whose sum is σ = 5047284. Its totient is φ = 3364848.

The previous prime is 4206061. The next prime is 4206091. The reversal of 4206065 is 5606024.

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 3297856 + 908209 = 1816^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 4206065 - 2² = 4206061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4206065.

It is not an unprimeable number, because it can be changed into a prime (4206061) 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, 420602 + ... + 420611.

It is an arithmetic number, because the mean of its divisors is an integer number (1261821).

Almost surely, 2^4206065 is an apocalyptic number.

It is an amenable number.

4206065 is a deficient number, since it is larger than the sum of its proper divisors (841219).

4206065 is an equidigital number, since it uses as much as digits as its factorization.

4206065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841218.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4206065 is about 2050.8693278705. The cubic root of 4206065 is about 161.4204895096.

The spelling of 4206065 in words is "four million, two hundred six thousand, sixty-five".