2271361 has 4 divisors (see below), whose sum is σ = 2303424. Its totient is φ = 2239300.

The previous prime is 2271349. The next prime is 2271377. The reversal of 2271361 is 1631722.

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 2271361 - 2¹³ = 2263169 is a prime.

It is a Duffinian number.

2271361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2271301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15925 + ... + 16066.

It is an arithmetic number, because the mean of its divisors is an integer number (575856).

2^2271361 is an apocalyptic number.

It is an amenable number.

2271361 is a deficient number, since it is larger than the sum of its proper divisors (32063).

2271361 is an equidigital number, since it uses as much as digits as its factorization.

2271361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32062.

The product of its digits is 504, while the sum is 22.

The square root of 2271361 is about 1507.1035133660. The cubic root of 2271361 is about 131.4504432386.

The spelling of 2271361 in words is "two million, two hundred seventy-one thousand, three hundred sixty-one".