2441561 has 2 divisors, whose sum is σ = 2441562. Its totient is φ = 2441560.

The previous prime is 2441521. The next prime is 2441563. The reversal of 2441561 is 1651442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 712336 = 1315^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2441561 is a prime.

It is a super-2 number, since 2×2441561² = 11922440233442, which contains 22 as substring.

Together with 2441563, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2441563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220780 + 1220781.

It is an arithmetic number, because the mean of its divisors is an integer number (1220781).

2^2441561 is an apocalyptic number.

It is an amenable number.

2441561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2441561 is an equidigital number, since it uses as much as digits as its factorization.

2441561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 2441561 is about 1562.5495192153. The cubic root of 2441561 is about 134.6550130697.

The spelling of 2441561 in words is "two million, four hundred forty-one thousand, five hundred sixty-one".