213225453305 has 8 divisors (see below), whose sum is σ = 255908418432. Its totient is φ = 170555113008.

The previous prime is 213225453289. The next prime is 213225453307. The reversal of 213225453305 is 503354522312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213225453305 - 2⁴ = 213225453289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213225453307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119009 + ... + 3186638.

It is an arithmetic number, because the mean of its divisors is an integer number (31988552304).

Almost surely, 2^213225453305 is an apocalyptic number.

It is an amenable number.

213225453305 is a deficient number, since it is larger than the sum of its proper divisors (42682965127).

213225453305 is an equidigital number, since it uses as much as digits as its factorization.

213225453305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312415.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 213225453305 its reverse (503354522312), we get a palindrome (716579975617).

The spelling of 213225453305 in words is "two hundred thirteen billion, two hundred twenty-five million, four hundred fifty-three thousand, three hundred five".