2543101 has 8 divisors (see below), whose sum is σ = 2813184. Its totient is φ = 2279520.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543101 is 1013452.

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

It is a cyclic number.

It is not a de Polignac number, because 2543101 - 2¹¹ = 2541053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (351648).

2^2543101 is an apocalyptic number.

It is an amenable number.

2543101 is a deficient number, since it is larger than the sum of its proper divisors (270083).

2543101 is a wasteful number, since it uses less digits than its factorization.

2543101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2543101 is about 1594.7103185218. The cubic root of 2543101 is about 136.4964017532.

Adding to 2543101 its reverse (1013452), we get a palindrome (3556553).

The spelling of 2543101 in words is "two million, five hundred forty-three thousand, one hundred one".