213434241 has 32 divisors (see below), whose sum is σ = 302805888. Its totient is φ = 133539840.

The previous prime is 213434237. The next prime is 213434279. The reversal of 213434241 is 142434312.

It is not a de Polignac number, because 213434241 - 2² = 213434237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213434281) 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, 462751 + ... + 463211.

It is an arithmetic number, because the mean of its divisors is an integer number (9462684).

Almost surely, 2^213434241 is an apocalyptic number.

It is an amenable number.

213434241 is a deficient number, since it is larger than the sum of its proper divisors (89371647).

213434241 is a wasteful number, since it uses less digits than its factorization.

213434241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its digits is 2304, while the sum is 24.

The square root of 213434241 is about 14609.3887962502. The cubic root of 213434241 is about 597.6148280443.

Adding to 213434241 its reverse (142434312), we get a palindrome (355868553).

The spelling of 213434241 in words is "two hundred thirteen million, four hundred thirty-four thousand, two hundred forty-one".