353213213 has 4 divisors (see below), whose sum is σ = 358485120. Its totient is φ = 347941308.

The previous prime is 353213209. The next prime is 353213221. The reversal of 353213213 is 312312353.

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 353213213 - 2² = 353213209 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 (353213713) 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, 2635853 + ... + 2635986.

It is an arithmetic number, because the mean of its divisors is an integer number (89621280).

Almost surely, 2^353213213 is an apocalyptic number.

It is an amenable number.

353213213 is a deficient number, since it is larger than the sum of its proper divisors (5271907).

353213213 is an equidigital number, since it uses as much as digits as its factorization.

353213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271906.

The product of its digits is 1620, while the sum is 23.

The square root of 353213213 is about 18793.9674629919. The cubic root of 353213213 is about 706.8799233504.

Adding to 353213213 its reverse (312312353), we get a palindrome (665525566).

The spelling of 353213213 in words is "three hundred fifty-three million, two hundred thirteen thousand, two hundred thirteen".