3205245 has 32 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 1612800.

The previous prime is 3205219. The next prime is 3205253. The reversal of 3205245 is 5425023.

It is not a de Polignac number, because 3205245 - 2¹⁷ = 3074173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28309 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

Almost surely, 2^3205245 is an apocalyptic number.

It is an amenable number.

3205245 is a deficient number, since it is larger than the sum of its proper divisors (2222979).

3205245 is a wasteful number, since it uses less digits than its factorization.

3205245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3205245 is about 1790.3198038339. The cubic root of 3205245 is about 147.4417274362.

It can be divided in two parts, 320 and 5245, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 3205245 in words is "three million, two hundred five thousand, two hundred forty-five".