258212850 has 216 divisors, whose sum is σ = 802783440. Its totient is φ = 54613440.

The previous prime is 258212849. The next prime is 258212887. The reversal of 258212850 is 58212852.

258212850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 6004929 + ... + 6004971.

It is an arithmetic number, because the mean of its divisors is an integer number (3716590).

Almost surely, 2^258212850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258212850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401391720).

258212850 is an abundant number, since it is smaller than the sum of its proper divisors (544570590).

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

258212850 is a wasteful number, since it uses less digits than its factorization.

258212850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 258212850 is about 16069.0027693071. The cubic root of 258212850 is about 636.7846955810.

The spelling of 258212850 in words is "two hundred fifty-eight million, two hundred twelve thousand, eight hundred fifty".