213338353 has 4 divisors (see below), whose sum is σ = 213801588. Its totient is φ = 212875120.

The previous prime is 213338341. The next prime is 213338357. The reversal of 213338353 is 353833312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 188567824 = 4977^2 + 13732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213338353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213338357) 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, 230926 + ... + 231847.

It is an arithmetic number, because the mean of its divisors is an integer number (53450397).

Almost surely, 2^213338353 is an apocalyptic number.

It is an amenable number.

213338353 is a deficient number, since it is larger than the sum of its proper divisors (463235).

213338353 is an equidigital number, since it uses as much as digits as its factorization.

213338353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463234.

The product of its digits is 19440, while the sum is 31.

The square root of 213338353 is about 14606.1067023352. The cubic root of 213338353 is about 597.5253193288.

The spelling of 213338353 in words is "two hundred thirteen million, three hundred thirty-eight thousand, three hundred fifty-three".