3565061 has 4 divisors (see below), whose sum is σ = 3661452. Its totient is φ = 3468672.

The previous prime is 3565049. The next prime is 3565097. The reversal of 3565061 is 1605653.

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 1674436 + 1890625 = 1294^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 3565061 - 2¹⁸ = 3302917 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 3565061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565021) 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, 48140 + ... + 48213.

It is an arithmetic number, because the mean of its divisors is an integer number (915363).

Almost surely, 2^3565061 is an apocalyptic number.

It is an amenable number.

3565061 is a deficient number, since it is larger than the sum of its proper divisors (96391).

3565061 is an equidigital number, since it uses as much as digits as its factorization.

3565061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96390.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3565061 is about 1888.1369124086. The cubic root of 3565061 is about 152.7644573682.

The spelling of 3565061 in words is "three million, five hundred sixty-five thousand, sixty-one".