2144641 has 2 divisors, whose sum is σ = 2144642. Its totient is φ = 2144640.

The previous prime is 2144629. The next prime is 2144647. The reversal of 2144641 is 1464412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 254016 = 1375^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144641 - 2⁵ = 2144609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2144647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072320 + 1072321.

It is an arithmetic number, because the mean of its divisors is an integer number (1072321).

2^2144641 is an apocalyptic number.

It is an amenable number.

2144641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144641 is an equidigital number, since it uses as much as digits as its factorization.

2144641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 2144641 is about 1464.4592858799. The cubic root of 2144641 is about 128.9589637716.

The spelling of 2144641 in words is "two million, one hundred forty-four thousand, six hundred forty-one".