2643041 has 4 divisors (see below), whose sum is σ = 2798532. Its totient is φ = 2487552.

The previous prime is 2643037. The next prime is 2643059. The reversal of 2643041 is 1403462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1403462 = 2 ⋅701731.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 271441 = 1540^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643041 - 2² = 2643037 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 (2643061) 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, 77720 + ... + 77753.

It is an arithmetic number, because the mean of its divisors is an integer number (699633).

2^2643041 is an apocalyptic number.

It is an amenable number.

2643041 is a deficient number, since it is larger than the sum of its proper divisors (155491).

2643041 is a wasteful number, since it uses less digits than its factorization.

2643041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155490.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2643041 is about 1625.7432146560. The cubic root of 2643041 is about 138.2615114016.

The spelling of 2643041 in words is "two million, six hundred forty-three thousand, forty-one".