3553213 has 4 divisors (see below), whose sum is σ = 3568320. Its totient is φ = 3538108.

The previous prime is 3553163. The next prime is 3553217. The reversal of 3553213 is 3123553.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3553213 - 2¹³ = 3545021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3553217) 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, 7195 + ... + 7672.

It is an arithmetic number, because the mean of its divisors is an integer number (892080).

Almost surely, 2^3553213 is an apocalyptic number.

It is an amenable number.

3553213 is a deficient number, since it is larger than the sum of its proper divisors (15107).

3553213 is a wasteful number, since it uses less digits than its factorization.

3553213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106.

The product of its digits is 1350, while the sum is 22.

The square root of 3553213 is about 1884.9968169734. The cubic root of 3553213 is about 152.5950388509.

Adding to 3553213 its reverse (3123553), we get a palindrome (6676766).

The spelling of 3553213 in words is "three million, five hundred fifty-three thousand, two hundred thirteen".