250381216 has 48 divisors (see below), whose sum is σ = 503350848. Its totient is φ = 122572800.

The previous prime is 250381213. The next prime is 250381247. The reversal of 250381216 is 612183052.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (250381213) 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 7 ways as a sum of consecutive naturals, for example, 438211 + ... + 438781.

It is an arithmetic number, because the mean of its divisors is an integer number (10486476).

Almost surely, 2^250381216 is an apocalyptic number.

250381216 is the 9136-th octagonal number.

It is an amenable number.

250381216 is an abundant number, since it is smaller than the sum of its proper divisors (252969632).

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

250381216 is a wasteful number, since it uses less digits than its factorization.

250381216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 250381216 is about 15823.4388171472. The cubic root of 250381216 is about 630.2805637060.

The spelling of 250381216 in words is "two hundred fifty million, three hundred eighty-one thousand, two hundred sixteen".