2002741 has 4 divisors (see below), whose sum is σ = 2156812. Its totient is φ = 1848672.

The previous prime is 2002739. The next prime is 2002747. The reversal of 2002741 is 1472002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 1575025 = 654^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002741 - 2¹ = 2002739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77016 + ... + 77041.

It is an arithmetic number, because the mean of its divisors is an integer number (539203).

2^2002741 is an apocalyptic number.

It is an amenable number.

2002741 is a deficient number, since it is larger than the sum of its proper divisors (154071).

2002741 is a wasteful number, since it uses less digits than its factorization.

2002741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154070.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2002741 is about 1415.1823204096. The cubic root of 2002741 is about 126.0496361086.

Adding to 2002741 its reverse (1472002), we get a palindrome (3474743).

The spelling of 2002741 in words is "two million, two thousand, seven hundred forty-one".