213335250 has 32 divisors (see below), whose sum is σ = 532486656. Its totient is φ = 56889200.

The previous prime is 213335237. The next prime is 213335251. The reversal of 213335250 is 52533312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213335250.

It is not an unprimeable number, because it can be changed into a prime (213335251) 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, 141474 + ... + 142973.

It is an arithmetic number, because the mean of its divisors is an integer number (16640208).

Almost surely, 2^213335250 is an apocalyptic number.

213335250 is an abundant number, since it is smaller than the sum of its proper divisors (319151406).

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

213335250 is a wasteful number, since it uses less digits than its factorization.

213335250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284467 (or 284457 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 213335250 is about 14606.0004792551. Note that the first 3 decimals coincide. The cubic root of 213335250 is about 597.5224223187.

Adding to 213335250 its reverse (52533312), we get a palindrome (265868562).

The spelling of 213335250 in words is "two hundred thirteen million, three hundred thirty-five thousand, two hundred fifty".