210065250 has 64 divisors (see below), whose sum is σ = 527679360. Its totient is φ = 55659200.

The previous prime is 210065249. The next prime is 210065257. The reversal of 210065250 is 52560012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210065257) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 128941 + ... + 130559.

It is an arithmetic number, because the mean of its divisors is an integer number (8244990).

Almost surely, 2^210065250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210065250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263839680).

210065250 is an abundant number, since it is smaller than the sum of its proper divisors (317614110).

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

210065250 is a wasteful number, since it uses less digits than its factorization.

210065250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 210065250 is about 14493.6279102232. The cubic root of 210065250 is about 594.4537509501.

The spelling of 210065250 in words is "two hundred ten million, sixty-five thousand, two hundred fifty".