3578065 has 4 divisors (see below), whose sum is σ = 4293684. Its totient is φ = 2862448.

The previous prime is 3578059. The next prime is 3578089. The reversal of 3578065 is 5608753.

It is a happy number.

3578065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2178576 + 1399489 = 1476^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 3578065 - 2⁵ = 3578033 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 3578065.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 357802 + ... + 357811.

It is an arithmetic number, because the mean of its divisors is an integer number (1073421).

Almost surely, 2^3578065 is an apocalyptic number.

It is an amenable number.

3578065 is a deficient number, since it is larger than the sum of its proper divisors (715619).

3578065 is an equidigital number, since it uses as much as digits as its factorization.

3578065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715618.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3578065 is about 1891.5773840898. The cubic root of 3578065 is about 152.9499743895.

The spelling of 3578065 in words is "three million, five hundred seventy-eight thousand, sixty-five".