2661273 has 24 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 1651104.

The previous prime is 2661271. The next prime is 2661283. The reversal of 2661273 is 3721662.

It is a happy number.

2661273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2661273 - 2¹ = 2661271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2661271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13411 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

2^2661273 is an apocalyptic number.

It is an amenable number.

2661273 is a deficient number, since it is larger than the sum of its proper divisors (1457127).

2661273 is a wasteful number, since it uses less digits than its factorization.

2661273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2661273 is about 1631.3408595386. The cubic root of 2661273 is about 138.5786977749.

The spelling of 2661273 in words is "two million, six hundred sixty-one thousand, two hundred seventy-three".