3205345 has 16 divisors (see below), whose sum is σ = 4519872. Its totient is φ = 2151360.

The previous prime is 3205337. The next prime is 3205351. The reversal of 3205345 is 5435023.

It is not a de Polignac number, because 3205345 - 2³ = 3205337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (282492).

Almost surely, 2^3205345 is an apocalyptic number.

It is an amenable number.

3205345 is a deficient number, since it is larger than the sum of its proper divisors (1314527).

3205345 is a wasteful number, since it uses less digits than its factorization.

3205345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3205345 is about 1790.3477315874. The cubic root of 3205345 is about 147.4432607584.

It can be divided in two parts, 320 and 5345, that added together give a palindrome (5665).

The spelling of 3205345 in words is "three million, two hundred five thousand, three hundred forty-five".