250001112 has 64 divisors (see below), whose sum is σ = 667468800. Its totient is φ = 77857920.

The previous prime is 250001111. The next prime is 250001161. The reversal of 250001112 is 211100052.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15783 + ... + 27369.

It is an arithmetic number, because the mean of its divisors is an integer number (10429200).

Almost surely, 2^250001112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333734400).

250001112 is an abundant number, since it is smaller than the sum of its proper divisors (417467688).

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

250001112 is a wasteful number, since it uses less digits than its factorization.

250001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656 (or 11652 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 250001112 is about 15811.4234653304. The cubic root of 250001112 is about 629.9614589675.

Adding to 250001112 its reverse (211100052), we get a palindrome (461101164).

The spelling of 250001112 in words is "two hundred fifty million, one thousand, one hundred twelve".