2541641 has 8 divisors (see below), whose sum is σ = 2648904. Its totient is φ = 2436480.

The previous prime is 2541613. The next prime is 2541677. The reversal of 2541641 is 1461452.

It can be written as a sum of positive squares in 4 ways, for example, as 1092025 + 1449616 = 1045^2 + 1204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2541641 - 2¹⁰ = 2540617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (331113).

2^2541641 is an apocalyptic number.

It is an amenable number.

2541641 is a deficient number, since it is larger than the sum of its proper divisors (107263).

2541641 is an equidigital number, since it uses as much as digits as its factorization.

2541641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

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

The square root of 2541641 is about 1594.2524894131. The cubic root of 2541641 is about 136.4702757892.

The spelling of 2541641 in words is "two million, five hundred forty-one thousand, six hundred forty-one".