Adding to 213150 its reverse (51312), we get a palindrome (264462).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
2213150 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213150 is a wasteful number, since it uses less digits than its factorization.
213150 is an evil number, because the sum of its binary digits is even.
The square root of 213150 is about 461.6817085396. The cubic root of 213150 is about 59.7349419055.
The spelling of 213150 in words is "two hundred thirteen thousand, one hundred fifty".