213030533 has 8 divisors (see below), whose sum is σ = 216898560. Its totient is φ = 209171200.

The previous prime is 213030511. The next prime is 213030541. The reversal of 213030533 is 335030312.

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 213030533 - 2⁶ = 213030469 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 (213030563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66341 + ... + 69477.

It is an arithmetic number, because the mean of its divisors is an integer number (27112320).

Almost surely, 2^213030533 is an apocalyptic number.

It is an amenable number.

213030533 is a deficient number, since it is larger than the sum of its proper divisors (3868027).

213030533 is a wasteful number, since it uses less digits than its factorization.

213030533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 213030533 is about 14595.5655251861. The cubic root of 213030533 is about 597.2377967544.

Adding to 213030533 its reverse (335030312), we get a palindrome (548060845).

The spelling of 213030533 in words is "two hundred thirteen million, thirty thousand, five hundred thirty-three".