3531213 has 24 divisors (see below), whose sum is σ = 6085248. Its totient is φ = 1929312.

The previous prime is 3531211. The next prime is 3531233. The reversal of 3531213 is 3121353.

It is not a de Polignac number, because 3531213 - 2¹ = 3531211 is a prime.

It is a Curzon number.

3531213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (253552).

Almost surely, 2^3531213 is an apocalyptic number.

It is an amenable number.

3531213 is a deficient number, since it is larger than the sum of its proper divisors (2554035).

3531213 is a wasteful number, since it uses less digits than its factorization.

3531213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2470 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 3531213 is about 1879.1522024573. The cubic root of 3531213 is about 152.2794518642.

Adding to 3531213 its reverse (3121353), we get a palindrome (6652566).

The spelling of 3531213 in words is "three million, five hundred thirty-one thousand, two hundred thirteen".