2651841 has 6 divisors (see below), whose sum is σ = 3830450. Its totient is φ = 1767888.

The previous prime is 2651837. The next prime is 2651867. The reversal of 2651841 is 1481562.

2651841 is a `hidden beast` number, since 2 + 651 + 8 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 680625 = 1404^2 + 825^2 .

It is not a de Polignac number, because 2651841 - 2² = 2651837 is a prime.

It is a Duffinian number.

2651841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2651821) 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, 147316 + ... + 147333.

2^2651841 is an apocalyptic number.

It is an amenable number.

2651841 is a deficient number, since it is larger than the sum of its proper divisors (1178609).

2651841 is a wasteful number, since it uses less digits than its factorization.

2651841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294655 (or 294652 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2651841 is about 1628.4474200907. The cubic root of 2651841 is about 138.4147885620.

The spelling of 2651841 in words is "two million, six hundred fifty-one thousand, eight hundred forty-one".