2805741 has 6 divisors (see below), whose sum is σ = 4052750. Its totient is φ = 1870488.

The previous prime is 2805713. The next prime is 2805757. The reversal of 2805741 is 1475082.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 152100 = 1629^2 + 390^2 .

It is not a de Polignac number, because 2805741 - 2⁵ = 2805709 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 (2805791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155866 + ... + 155883.

2^2805741 is an apocalyptic number.

It is an amenable number.

2805741 is a deficient number, since it is larger than the sum of its proper divisors (1247009).

2805741 is a wasteful number, since it uses less digits than its factorization.

2805741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311755 (or 311752 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2805741 is about 1675.0346265078. The cubic root of 2805741 is about 141.0422387413.

The spelling of 2805741 in words is "two million, eight hundred five thousand, seven hundred forty-one".