213033405 has 16 divisors (see below), whose sum is σ = 367073280. Its totient is φ = 104877888.

The previous prime is 213033349. The next prime is 213033467. The reversal of 213033405 is 504330312.

It is not a de Polignac number, because 213033405 - 2⁷ = 213033277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546045 + ... + 546434.

It is an arithmetic number, because the mean of its divisors is an integer number (22942080).

Almost surely, 2^213033405 is an apocalyptic number.

It is an amenable number.

213033405 is a deficient number, since it is larger than the sum of its proper divisors (154039875).

213033405 is a wasteful number, since it uses less digits than its factorization.

213033405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092500.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 213033405 is about 14595.6639109018. The cubic root of 213033405 is about 597.2404806565.

Adding to 213033405 its reverse (504330312), we get a palindrome (717363717).

The spelling of 213033405 in words is "two hundred thirteen million, thirty-three thousand, four hundred five".