2666241 has 6 divisors (see below), whose sum is σ = 3851250. Its totient is φ = 1777488.

The previous prime is 2666227. The next prime is 2666267. The reversal of 2666241 is 1426662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 119025 = 1596^2 + 345^2 .

It is not a de Polignac number, because 2666241 - 2⁶ = 2666177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148116 + ... + 148133.

It is an arithmetic number, because the mean of its divisors is an integer number (641875).

2^2666241 is an apocalyptic number.

It is an amenable number.

2666241 is a deficient number, since it is larger than the sum of its proper divisors (1185009).

2666241 is a wasteful number, since it uses less digits than its factorization.

2666241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296255 (or 296252 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2666241 is about 1632.8628233872. The cubic root of 2666241 is about 138.6648759579.

The spelling of 2666241 in words is "two million, six hundred sixty-six thousand, two hundred forty-one".