2801305 has 16 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 2036160.

The previous prime is 2801299. The next prime is 2801317. The reversal of 2801305 is 5031082.

It is a happy number.

It is not a de Polignac number, because 2801305 - 2⁵ = 2801273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4312 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

2^2801305 is an apocalyptic number.

It is an amenable number.

2801305 is a deficient number, since it is larger than the sum of its proper divisors (875879).

2801305 is a wasteful number, since it uses less digits than its factorization.

2801305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2801305 is about 1673.7099509772. The cubic root of 2801305 is about 140.9678682042.

Adding to 2801305 its reverse (5031082), we get a palindrome (7832387).

The spelling of 2801305 in words is "two million, eight hundred one thousand, three hundred five".