213233003 has 4 divisors (see below), whose sum is σ = 216728688. Its totient is φ = 209737320.

The previous prime is 213232967. The next prime is 213233011. The reversal of 213233003 is 300332312.

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

It is a cyclic number.

It is not a de Polignac number, because 213233003 - 2¹⁶ = 213167467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213233203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747751 + ... + 1747872.

It is an arithmetic number, because the mean of its divisors is an integer number (54182172).

Almost surely, 2^213233003 is an apocalyptic number.

213233003 is a deficient number, since it is larger than the sum of its proper divisors (3495685).

213233003 is an equidigital number, since it uses as much as digits as its factorization.

213233003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495684.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213233003 is about 14602.4998887177. The cubic root of 213233003 is about 597.4269471793.

Adding to 213233003 its reverse (300332312), we get a palindrome (513565315).

The spelling of 213233003 in words is "two hundred thirteen million, two hundred thirty-three thousand, three".