3230505 has 12 divisors (see below), whose sum is σ = 5599620. Its totient is φ = 1722912.

The previous prime is 3230501. The next prime is 3230519. The reversal of 3230505 is 5050323.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 2005056 = 1107^2 + 1416^2 .

It is not a de Polignac number, because 3230505 - 2² = 3230501 is a prime.

It is an alternating number because its digits alternate between odd and even.

3230505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3230501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35850 + ... + 35939.

It is an arithmetic number, because the mean of its divisors is an integer number (466635).

Almost surely, 2^3230505 is an apocalyptic number.

It is an amenable number.

3230505 is a deficient number, since it is larger than the sum of its proper divisors (2369115).

3230505 is a wasteful number, since it uses less digits than its factorization.

3230505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71800 (or 71797 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 3230505 is about 1797.3605648283. The cubic root of 3230505 is about 147.8280355982.

Adding to 3230505 its reverse (5050323), we get a palindrome (8280828).

The spelling of 3230505 in words is "three million, two hundred thirty thousand, five hundred five".