2781195 has 16 divisors (see below), whose sum is σ = 4508160. Its totient is φ = 1463904.

The previous prime is 2781193. The next prime is 2781199. The reversal of 2781195 is 5911872.

It is not a de Polignac number, because 2781195 - 2¹ = 2781193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2781193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (281760).

2^2781195 is an apocalyptic number.

2781195 is a deficient number, since it is larger than the sum of its proper divisors (1726965).

2781195 is a wasteful number, since it uses less digits than its factorization.

2781195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its digits is 5040, while the sum is 33.

The square root of 2781195 is about 1667.6915182371. The cubic root of 2781195 is about 140.6297311988.

The spelling of 2781195 in words is "two million, seven hundred eighty-one thousand, one hundred ninety-five".