3213530 has 16 divisors (see below), whose sum is σ = 5815584. Its totient is φ = 1278480.

The previous prime is 3213499. The next prime is 3213559. The reversal of 3213530 is 353123.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3213499 and 3213508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (363474).

Almost surely, 2^3213530 is an apocalyptic number.

3213530 is a deficient number, since it is larger than the sum of its proper divisors (2602054).

3213530 is a wasteful number, since it uses less digits than its factorization.

3213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 3213530 is about 1792.6321429674. The cubic root of 3213530 is about 147.5686551977.

Adding to 3213530 its reverse (353123), we get a palindrome (3566653).

The spelling of 3213530 in words is "three million, two hundred thirteen thousand, five hundred thirty".