2051000500 has 48 divisors (see below), whose sum is σ = 4489115904. Its totient is φ = 818618400.

The previous prime is 2051000443. The next prime is 2051000531. The reversal of 2051000500 is 50001502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239289 + ... + 247711.

It is an arithmetic number, because the mean of its divisors is an integer number (93523248).

Almost surely, 2^2051000500 is an apocalyptic number.

2051000500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244557952).

2051000500 is an abundant number, since it is smaller than the sum of its proper divisors (2438115404).

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

2051000500 is a wasteful number, since it uses less digits than its factorization.

2051000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929 (or 8917 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 2051000500 is about 45287.9730171267. The cubic root of 2051000500 is about 1270.5407208295.

The spelling of 2051000500 in words is "two billion, fifty-one million, five hundred", and thus it is an aban number.