213290250 has 32 divisors (see below), whose sum is σ = 532374336. Its totient is φ = 56877200.

The previous prime is 213290249. The next prime is 213290291. The reversal of 213290250 is 52092312.

It is a self number, because there is not a number n which added to its sum of digits gives 213290250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141444 + ... + 142943.

It is an arithmetic number, because the mean of its divisors is an integer number (16636698).

Almost surely, 2^213290250 is an apocalyptic number.

213290250 is an abundant number, since it is smaller than the sum of its proper divisors (319084086).

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

213290250 is a wasteful number, since it uses less digits than its factorization.

213290250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284407 (or 284397 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 213290250 is about 14604.4599352390. The cubic root of 213290250 is about 597.4804064465.

The spelling of 213290250 in words is "two hundred thirteen million, two hundred ninety thousand, two hundred fifty".