213165204 has 24 divisors (see below), whose sum is σ = 568440768. Its totient is φ = 60904320.

The previous prime is 213165203. The next prime is 213165209. The reversal of 213165204 is 402561312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213165203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268757 + ... + 1268924.

It is an arithmetic number, because the mean of its divisors is an integer number (23685032).

Almost surely, 2^213165204 is an apocalyptic number.

It is an amenable number.

213165204 is an abundant number, since it is smaller than the sum of its proper divisors (355275564).

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

213165204 is a wasteful number, since it uses less digits than its factorization.

213165204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537695 (or 2537693 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 213165204 is about 14600.1782180904. The cubic root of 213165204 is about 597.3636217048.

The spelling of 213165204 in words is "two hundred thirteen million, one hundred sixty-five thousand, two hundred four".