2820051 has 12 divisors (see below), whose sum is σ = 4386928. Its totient is φ = 1735344.

The previous prime is 2820043. The next prime is 2820071. The reversal of 2820051 is 1500282.

It is not a de Polignac number, because 2820051 - 2³ = 2820043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2820001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11935 + ... + 12168.

2^2820051 is an apocalyptic number.

2820051 is a deficient number, since it is larger than the sum of its proper divisors (1566877).

2820051 is a wasteful number, since it uses less digits than its factorization.

2820051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122 (or 24119 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2820051 is about 1679.3007473350. The cubic root of 2820051 is about 141.2816161248.

The spelling of 2820051 in words is "two million, eight hundred twenty thousand, fifty-one".