3581205 has 8 divisors (see below), whose sum is σ = 5729952. Its totient is φ = 1909968.

The previous prime is 3581191. The next prime is 3581219. The reversal of 3581205 is 5021853.

3581205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3581191) and next prime (3581219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3581205 - 2⁴ = 3581189 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 119359 + ... + 119388.

It is an arithmetic number, because the mean of its divisors is an integer number (716244).

Almost surely, 2^3581205 is an apocalyptic number.

It is an amenable number.

3581205 is a deficient number, since it is larger than the sum of its proper divisors (2148747).

3581205 is a wasteful number, since it uses less digits than its factorization.

3581205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238755.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3581205 is about 1892.4071971962. The cubic root of 3581205 is about 152.9947027086.

The spelling of 3581205 in words is "three million, five hundred eighty-one thousand, two hundred five".