213415233 has 8 divisors (see below), whose sum is σ = 286464000. Its totient is φ = 141321648.

The previous prime is 213415231. The next prime is 213415283. The reversal of 213415233 is 332514312.

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

It is not a de Polignac number, because 213415233 - 2¹ = 213415231 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (213415231) 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, 238273 + ... + 239166.

It is an arithmetic number, because the mean of its divisors is an integer number (35808000).

Almost surely, 2^213415233 is an apocalyptic number.

It is an amenable number.

213415233 is a deficient number, since it is larger than the sum of its proper divisors (73048767).

213415233 is a wasteful number, since it uses less digits than its factorization.

213415233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477591.

The product of its digits is 2160, while the sum is 24.

The square root of 213415233 is about 14608.7382412034. The cubic root of 213415233 is about 597.5970867487.

Adding to 213415233 its reverse (332514312), we get a palindrome (545929545).

The spelling of 213415233 in words is "two hundred thirteen million, four hundred fifteen thousand, two hundred thirty-three".