213304461 has 16 divisors (see below), whose sum is σ = 297285120. Its totient is φ = 135784880.

The previous prime is 213304453. The next prime is 213304463. The reversal of 213304461 is 164403312.

213304461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213304461 - 2³ = 213304453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213304463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43126 + ... + 47816.

It is an arithmetic number, because the mean of its divisors is an integer number (18580320).

Almost surely, 2^213304461 is an apocalyptic number.

It is an amenable number.

213304461 is a deficient number, since it is larger than the sum of its proper divisors (83980659).

213304461 is a wasteful number, since it uses less digits than its factorization.

213304461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 213304461 is about 14604.9464565948. The cubic root of 213304461 is about 597.4936756974.

Adding to 213304461 its reverse (164403312), we get a palindrome (377707773).

The spelling of 213304461 in words is "two hundred thirteen million, three hundred four thousand, four hundred sixty-one".