213215052 has 12 divisors (see below), whose sum is σ = 497501816. Its totient is φ = 71071680.

The previous prime is 213215039. The next prime is 213215063. The reversal of 213215052 is 250512312.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8883949 + ... + 8883972.

Almost surely, 2^213215052 is an apocalyptic number.

It is an amenable number.

213215052 is an abundant number, since it is smaller than the sum of its proper divisors (284286764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213215052 is a wasteful number, since it uses less digits than its factorization.

213215052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767928 (or 17767926 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 213215052 is about 14601.8852207515. The cubic root of 213215052 is about 597.4101819320.

Adding to 213215052 its reverse (250512312), we get a palindrome (463727364).

The spelling of 213215052 in words is "two hundred thirteen million, two hundred fifteen thousand, fifty-two".