213230325 has 48 divisors (see below), whose sum is σ = 439543296. Its totient is φ = 88612800.

The previous prime is 213230323. The next prime is 213230341. The reversal of 213230325 is 523032312.

It is not a de Polignac number, because 213230325 - 2¹ = 213230323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12687 + ... + 24236.

It is an arithmetic number, because the mean of its divisors is an integer number (9157152).

Almost surely, 2^213230325 is an apocalyptic number.

213230325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213230325 is an abundant number, since it is smaller than the sum of its proper divisors (226312971).

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

213230325 is a wasteful number, since it uses less digits than its factorization.

213230325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954 (or 36949 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 213230325 is about 14602.4081918018. The cubic root of 213230325 is about 597.4244461343.

Adding to 213230325 its reverse (523032312), we get a palindrome (736262637).

The spelling of 213230325 in words is "two hundred thirteen million, two hundred thirty thousand, three hundred twenty-five".