213210033 has 16 divisors (see below), whose sum is σ = 294336000. Its totient is φ = 137139840.

The previous prime is 213210017. The next prime is 213210047. The reversal of 213210033 is 330012312.

It is not a de Polignac number, because 213210033 - 2⁴ = 213210017 is a prime.

It is a super-2 number, since 2×213210033² = 90917036343722178, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213209994 and 213210021.

It is not an unprimeable number, because it can be changed into a prime (213210083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29173 + ... + 35741.

It is an arithmetic number, because the mean of its divisors is an integer number (18396000).

Almost surely, 2^213210033 is an apocalyptic number.

It is an amenable number.

213210033 is a deficient number, since it is larger than the sum of its proper divisors (81125967).

213210033 is a wasteful number, since it uses less digits than its factorization.

213210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213210033 is about 14601.7133583700. The cubic root of 213210033 is about 597.4054942936.

Adding to 213210033 its reverse (330012312), we get a palindrome (543222345).

The spelling of 213210033 in words is "two hundred thirteen million, two hundred ten thousand, thirty-three".