2002541 has 8 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 1890592.

The previous prime is 2002531. The next prime is 2002547. The reversal of 2002541 is 1452002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002541 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 (2002547) 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 7 ways as a sum of consecutive naturals, for example, 1385 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^2002541 is an apocalyptic number.

It is an amenable number.

2002541 is a deficient number, since it is larger than the sum of its proper divisors (114259).

2002541 is a wasteful number, since it uses less digits than its factorization.

2002541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2002541 is about 1415.1116563720. Note that the first 3 decimals coincide. The cubic root of 2002541 is about 126.0454400649.

Adding to 2002541 its reverse (1452002), we get a palindrome (3454543).

The spelling of 2002541 in words is "two million, two thousand, five hundred forty-one".