2002051 has 4 divisors (see below), whose sum is σ = 2004912. Its totient is φ = 1999192.

The previous prime is 2002019. The next prime is 2002061. The reversal of 2002051 is 1502002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1502002 = 2 ⋅751001.

It is a cyclic number.

It is not a de Polignac number, because 2002051 - 2⁵ = 2002019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

2^2002051 is an apocalyptic number.

2002051 is a deficient number, since it is larger than the sum of its proper divisors (2861).

2002051 is a wasteful number, since it uses less digits than its factorization.

2002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 2002051 is about 1414.9385145652. The cubic root of 2002051 is about 126.0351585769.

Adding to 2002051 its reverse (1502002), we get a palindrome (3504053).

The spelling of 2002051 in words is "two million, two thousand, fifty-one".