213525230 has 32 divisors (see below), whose sum is σ = 413199360. Its totient is φ = 79189920.

The previous prime is 213525199. The next prime is 213525239. The reversal of 213525230 is 32525312.

It is a junction number, because it is equal to n+sod(n) for n = 213525196 and 213525205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213525239) 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, 3026 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (12912480).

Almost surely, 2^213525230 is an apocalyptic number.

213525230 is a deficient number, since it is larger than the sum of its proper divisors (199674130).

213525230 is a wasteful number, since it uses less digits than its factorization.

213525230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23984.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 213525230 is about 14612.5025235242. The cubic root of 213525230 is about 597.6997388973.

The spelling of 213525230 in words is "two hundred thirteen million, five hundred twenty-five thousand, two hundred thirty".