2541845 has 18 divisors (see below), whose sum is σ = 3294774. Its totient is φ = 1882320.

The previous prime is 2541841. The next prime is 2541853. The reversal of 2541845 is 5481452.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 508369 = 1426^2 + 713^2 .

It is not a de Polignac number, because 2541845 - 2² = 2541841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 81980 + ... + 82010.

It is an arithmetic number, because the mean of its divisors is an integer number (183043).

2^2541845 is an apocalyptic number.

It is an amenable number.

2541845 is a deficient number, since it is larger than the sum of its proper divisors (752929).

2541845 is an equidigital number, since it uses as much as digits as its factorization.

2541845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 59 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 2541845 is about 1594.3164679574. The cubic root of 2541845 is about 136.4739268676.

The spelling of 2541845 in words is "two million, five hundred forty-one thousand, eight hundred forty-five".