2001500250 has 128 divisors (see below), whose sum is σ = 5394055680. Its totient is φ = 492800000.

The previous prime is 2001500243. The next prime is 2001500251. The reversal of 2001500250 is 520051002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2001500251) 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 63 ways as a sum of consecutive naturals, for example, 498250 + ... + 502250.

It is an arithmetic number, because the mean of its divisors is an integer number (42141060).

Almost surely, 2^2001500250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001500250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697027840).

2001500250 is an abundant number, since it is smaller than the sum of its proper divisors (3392555430).

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

2001500250 is a wasteful number, since it uses less digits than its factorization.

2001500250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2001500250 is about 44738.1297105724. The cubic root of 2001500250 is about 1260.2360039156.

Adding to 2001500250 its reverse (520051002), we get a palindrome (2521551252).

The spelling of 2001500250 in words is "two billion, one million, five hundred thousand, two hundred fifty".