2781041 has 8 divisors (see below), whose sum is σ = 2889984. Its totient is φ = 2673360.

The previous prime is 2781029. The next prime is 2781059. The reversal of 2781041 is 1401872.

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-2781041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2780998 and 2781016.

It is not an unprimeable number, because it can be changed into a prime (2781001) 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, 8615 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (361248).

2^2781041 is an apocalyptic number.

It is an amenable number.

2781041 is a deficient number, since it is larger than the sum of its proper divisors (108943).

2781041 is a wasteful number, since it uses less digits than its factorization.

2781041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2781041 is about 1667.6453459894. The cubic root of 2781041 is about 140.6271355067.

The spelling of 2781041 in words is "two million, seven hundred eighty-one thousand, forty-one".