213004562 has 16 divisors (see below), whose sum is σ = 326529792. Its totient is φ = 104173680.

The previous prime is 213004483. The next prime is 213004567. The reversal of 213004562 is 265400312.

It is not an unprimeable number, because it can be changed into a prime (213004567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33887 + ... + 39677.

It is an arithmetic number, because the mean of its divisors is an integer number (20408112).

Almost surely, 2^213004562 is an apocalyptic number.

213004562 is a deficient number, since it is larger than the sum of its proper divisors (113525230).

213004562 is a wasteful number, since it uses less digits than its factorization.

213004562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 213004562 is about 14594.6758100343. The cubic root of 213004562 is about 597.2135255964.

Adding to 213004562 its reverse (265400312), we get a palindrome (478404874).

The spelling of 213004562 in words is "two hundred thirteen million, four thousand, five hundred sixty-two".