213435055 has 32 divisors (see below), whose sum is σ = 277714944. Its totient is φ = 157044096.

The previous prime is 213435043. The next prime is 213435059. The reversal of 213435055 is 550534312.

It is a cyclic number.

It is not a de Polignac number, because 213435055 - 2⁵ = 213435023 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 (213435059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438022 + ... + 438508.

It is an arithmetic number, because the mean of its divisors is an integer number (8678592).

Almost surely, 2^213435055 is an apocalyptic number.

213435055 is a deficient number, since it is larger than the sum of its proper divisors (64279889).

213435055 is a wasteful number, since it uses less digits than its factorization.

213435055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 213435055 is about 14609.4166550208. The cubic root of 213435055 is about 597.6155877754.

Adding to 213435055 its reverse (550534312), we get a palindrome (763969367).

The spelling of 213435055 in words is "two hundred thirteen million, four hundred thirty-five thousand, fifty-five".