3530213 has 4 divisors (see below), whose sum is σ = 3551520. Its totient is φ = 3508908.

The previous prime is 3530209. The next prime is 3530221. The reversal of 3530213 is 3120353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120353 = 1723 ⋅1811.

It is a cyclic number.

It is not a de Polignac number, because 3530213 - 2² = 3530209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3530191 and 3530200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10403 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (887880).

Almost surely, 2^3530213 is an apocalyptic number.

It is an amenable number.

3530213 is a deficient number, since it is larger than the sum of its proper divisors (21307).

3530213 is a wasteful number, since it uses less digits than its factorization.

3530213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306.

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

The square root of 3530213 is about 1878.8861061810. The cubic root of 3530213 is about 152.2650758949.

Adding to 3530213 its reverse (3120353), we get a palindrome (6650566).

The spelling of 3530213 in words is "three million, five hundred thirty thousand, two hundred thirteen".