2051072 has 22 divisors (see below), whose sum is σ = 4102188. Its totient is φ = 1025024.

The previous prime is 2051059. The next prime is 2051087. The reversal of 2051072 is 2701502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051072.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23 + ... + 2025.

2^2051072 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 2051072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051094).

2051072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2051072 is an equidigital number, since it uses as much as digits as its factorization.

2051072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2051072 is about 1432.1564160384. The cubic root of 2051072 is about 127.0555484779.

Adding to 2051072 its reverse (2701502), we get a palindrome (4752574).

The spelling of 2051072 in words is "two million, fifty-one thousand, seventy-two".