2805241 has 4 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 2683252.

The previous prime is 2805233. The next prime is 2805247. The reversal of 2805241 is 1425082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2805241 - 2³ = 2805233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805247) 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, 60961 + ... + 61006.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

2^2805241 is an apocalyptic number.

It is an amenable number.

2805241 is a deficient number, since it is larger than the sum of its proper divisors (121991).

2805241 is a wasteful number, since it uses less digits than its factorization.

2805241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121990.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2805241 is about 1674.8853692119. The cubic root of 2805241 is about 141.0338600505.

The spelling of 2805241 in words is "two million, eight hundred five thousand, two hundred forty-one".